Biologists who study how the activities of all living organisms affect both the atmosphere and climate are working in the field of Global Ecology.
What is Global Ecology?Global Ecology is a field within the ecology discipline aimed at understanding the high-level organization of ecosystems in the biosphere.
Global Ecology is a fundamental application field for understanding how hydrosphere, biogeosphere and atmosphere may interact together to shape the ecosystems and their characteristics.
Global ecology is a field that increasingly is taking attention in biology due to it implicates different phenomena such as climate change, which may be partially solved by the use of renewable sources and clean energy.
In conclusion, biologists who study how the activities of all living organisms affect both the atmosphere and climate are working in the field of Global Ecology.
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The diagram shows structures that represent different levels of organization in a human. Based on the images, which is the second smallest level of organization? W X Y Z
The diagram shows structures that represent different levels of organization in a human. Based on the images, the correct answer is option Z.
W represents the organ, which is the third-smallest organisation and is made up of several tissues, in the given diagram reflecting a distinct degree of organisation.
X illustrates the several organs that make up the excretory system.
The smallest unit of the human body, a cell, is shown in Y.
The second-smallest level of organisation in the human body is called Z, which is a tissue made up of cells bound together.
Thus, the correct answer is option Z.
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Scientists who investigate lifestyle factors that influence the prevalence of obesity among different population groups are conducting a(n) ________ study.
Scientists who investigate lifestyle factors that influence the prevalence of obesity among different population groups are conducting an epidemiological study.
What is an epidemiological study?An epidemiological study is a type of investigation in which the transmissibility features of infections pathogenic agents such as viruses and prevalence of diseases are examined.
In conclusion, scientists who investigate lifestyle factors that influence the prevalence of obesity among different population groups are conducting an epidemiological study.
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Unlike eutherians, both monotremes and marsupials a. lack nipples. b. have some embryonic development outside the uterus. c. lay eggs. d. are found in Australia and Africa.
Unlike eutherians, both monotremes and marsupials are animal taxa groups that have some embryonic development outside the female uterus (Option b is correct).
What are monotremes and marsupials?Monotremes and marsupials are two different groups of mammals that exhibit singular features such as the development of offspring inside a pouch mother's body in marsupials.
In conclusion, unlike eutherians, both monotremes and marsupials are animal taxa groups that have some embryonic development outside the female uterus (Option b is correct).
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Substances which will glow in the dark after being exposed to sunlight are called: uranium radioactives pitchblendes phosphorescents
Substances that will glow in the dark after being exposed to sunlight are called phosphorescents.
Radium is one kind of radioactive material that could be discovered in antiques. whilst radium changed into found in the early nineties people were curious about its mysterious glow and it became brought to many normal merchandises inclusive of paints. these paints had been used on the dials of clocks and watches to lead them to glow-in-the-dark.
Radioactivity is the phenomenon of the spontaneous disintegration of Phosphorescents atomic nuclei to atomic nuclei to form greater energetically solid atomic nuclei. Radioactive decay is a noticeably exoergic statistically random first-order procedure that takes place with a small quantity of mass being transformed into electricity. As its call implies radioactivity is the act of emitting radiation spontaneously.
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If you could detect early-stage Alzheimer's disease, would you expect to see brain changes that were similar to, although less extensive than, those seen in patients who have died of this disease? Explain.
An opening for clinical trial participation: People who receive an early diagnosis are qualified for more clinical studies.
What changes in brain in Alzheimer's disease?As neurons are damaged and die throughout the brain in Alzheimer's disease, connections between networks of neurons may deteriorate, and many brain regions start to shrink.
This process, known as brain atrophy, is widespread by the time Alzheimer's is in its terminal stages and results in a considerable reduction of brain volume.
A person with Alzheimer's disease experiences numerous molecular and cellular alterations in their brain. After death, these modifications can be seen in the brain's tissue under a microscope.
Therefore, brain changes that were similar to, although less extensive than, those seen in patients who have died of this disease.
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Describe three ways in which scientists study ecosystems? explain why we need much more basic data about the structure and condition
The three main research and the methods used are the observation, modeling, and the experimentation.
To fully understand that what is happening to a species, the chemical, or a the body of the water, the scientists need to study the ecosystems—communities of the interacting the organisms and their environments. the Healthy ecosystems was clean our water, the purify our air, to maintain our soil, to regulate the climate, to recycle nutrients and provide us with the food. They provide the raw materials and resources for the medicines and for other purposes. They are at the foundation of all the civilisation and to sustain our economies. It also provides the habitat to wild plants and the animals. It promotes the various food chains and the food webs. It controls the essential ecological processes and to promotes lives. Involved in the the recycling of the nutrients between biotic and the abiotic components
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calcium ions are normally in higher concentrations outside most living cells than within cells. which of the following processes is most likely responsible for this condition?
calcium ions are normally in higher concentrations outside most living cells than within cells. the process of active transport that is responsible for this condition.
Calcium is used for various purpose in our body. It is vital for the health of our bones and teeth, It also helps in brain function and blood clotting.
The concentration of the calcium ion is found to be more outside the cell as compared to the inside of the cell i.e. it is 10,000 times more outside the cell. This gradient is maintained using using active transportation system.
It is important to maintain this gradient because calcium is acts as a second messenger in proliferation, differentiation, mitosis and motility. So only when the cell is involved in these activities calcium ions are allowed into the cell.
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Which 2 structures allow for cells to move?
Proteins that form the internal cytoskeleton of individual cells serve a _____ function.
Proteins that form the internal cytoskeleton of individual cells serve a structural and shape function.
Cytoskeleton- The cytoskeleton is a framework that aids in maintaining the internal order and shape of cells. It also offers mechanical support, allowing cells to perform critical processes like division and mobility.
Cell- The science of structure and function of cells is known as cell biology, and it is based on the idea that a cell is the basic building block of all life. A thorough grasp of the organisms and tissues that cells make up is made possible by concentrating on the cell.
Tissue- A collection of cells with a similar structural makeup that work as a single unit is referred to as a tissue.
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People with herpes simplex type 1 viruses often get mouth sores when they have a cold or similar infection. How might this location benefit the virus?
Oral herpes causes painful blisters called cold sores or fever blisters.
What helps Oral herpes heal faster?Acyclovir , valacyovir , famciclovir and penciclovir are a few antiviral medication that can hasten that healing of cold sores. Your doctor might think about prescription an antiviral drug if you have recurrent oubreaks or are suffering from some of the major side effects of having a cold sore.
Oral herpes is an infection of the lips , mouth or gums due to the herpes simplex virus. It causes small ,painful blisters commonly called cold sores or fever blisters.
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Which of the following is a correct sequence of levels in life's hierarchy, proceeding downward from an individual animal? a. organism, brain, organ system, nerve cell b. organ system, nervous tissue, brain, nerve cell c. organism, organ system, tissue, cell, organ d. nervous system, brain, nervous tissue, nerve cell
The following which is a correct sequence of levels in life's hierarchy, proceeding downward from an individual animal is nervous system, brain, nervous tissue, nerve cell and is denoted as option D.
What is Hierarchy of cells?This is described as the biological levels of organization of living things in which the simplest is referred to as the cell while the most complex is referred to as organ system.
Cell ⇒ Tissue ⇒ Organ ⇒ System
In the example given below, the correct hierarchy from the complex to simplest is nervous system, brain(organ), nervous tissue, nerve cell which is therefore the reason why option D was chosen as the most appropriate choice.
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Which of the following is not required for a behavioral trait to evolve by natural selection? a. In each individual, the form of the behavior is determined entirely by genes. b. The behavior varies among individuals. c. An individual's reproductive success depends in part on how the behavior is performed. d. Some component of the behavior is genetically inherited.
c. An individual's reproductive success depends in part on how the behavior is performed is not required for a behavioral trait to evolve by natural selection
Can behaviours evolve by natural selection?Behavior, like morphology, can vary between individuals, be heritable, contribute to fitness, and thus be subject to natural selection evolution.
A behaviour that is at least partially under genetic influence can develop through natural selection. However, being controlled by genes is not the only requirement for natural selection to work. The person performing the behaviour must also have increased fitness as a result of the behaviour.
Natural selection requires four conditions to occur: reproduction, heredity, change in fitness or organisms, and diversity in individual characteristics among members of the population.
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.
(a) How many dark brown mice were caught in the light-colored soil enclosure on a moonlit night?
About 18 dark brown mice were caught in the light-colored soil enclosure on a moonlit night?
What is mouse models with camouflage coloration?
This model simulates natural selection and adaptation in rock pocket mouse populations found primarily in rock outcrops in the deserts of the southwestern United States and Mexico. This model is based on a lesson plan designed by the [Howard Hughes Medical Institute]
The model simulates changes in coat color in a population of rock pocket mice due to predation. Mice that cannot camouflage have a higher chance of being predatory when predators are present. Users can examine how a population evolves through natural selection under different environmental conditions.
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The number of cells in a tumor doubles every 4.5 months. if the tumor begins with a single cell, how many cells will there be after 3 years? after 5 years?
The number of cells after 3 years will be 21,618 and the number of cells after 5 years will be 16,777,216
First, we should determine the number of months in 3 years and 5 years.
As there are 12 months in a single year
Therefore, 1 year = 12 months
So we can determine the number of months in 3 years and 5 years as follow:
3 years = 12 x 3 =36 months
5 years = 12 x 5 = 60 months.
The equation for this question can be given as:
[tex]2^\frac{months}{2.5}[/tex]
For three years, the equation will be,
[tex]2^ \frac{36}{2.5}[/tex] = [tex]2^{14.4}[/tex]
[tex]2^{14.4}[/tex] = 21, 618 cells
For five years, the equation will be,
[tex]2^ \frac{60}{2.5}[/tex] = [tex]2^{24}[/tex]
[tex]2^{24}[/tex] = 16,777,216 cells.
Therefore, the number of cells after 3 and 5 years will be 21,618 and 16,777,216 respectively.
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during the late 1970s, environmental change caused flux in the sizes and hardnesses of seeds available to finches in the galápagos. given what you know about natural selection, match each period of environmental change to the average beak depth you would expect to find in the finch populations.
The period of environmental change to the average beak depth are as follows:
Shallow Beak Depth was found around the year 1976sMedium Beak Depth was found around the year 1977sDeep Beak Depth was found around the year 1978sMany tiny, simple-to-crush seeds were accessible during the Shallow Beak Depth epoch. Small-beaked finches may easily obtain these seeds. No one was pressuring the birds to have deeper beak depths.
"During the Medium Beak Depth Period, a severe drought had occurred. Large, difficult-to-crush seeds became the only ones accessible when small, soft seeds became uncommon.
Finches with tiny beaks started going extinct. Because selection occurs gradually, the beak depth was medium on average.
"During the Deep Beak Depth Period" This time saw a reduction in the drought. However, during the drought, birds with deep beaks were more likely to survive and breed. Because children take after their parents, average beak depth increased.
The complete question is as follows:
During the late 1970s, environmental change caused flux in the quantities of the different sizes and hardnesses of seeds available to finches in the Galápagos. Given what you know about natural selection, match each period of environmental change to the average beak depth you would expect to find in the finch populations
1)Shallow Beak Depth 1978
2) Medium Beak Depth 1976
3) Deep Beak Depth 1977
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Snap dragon flower color displays incomplete dominance. Which is the likely phenotypic ratio of the f2 progeny resulting from a monohybrid cross of true-breeding parents with white and red flowers?.
Snap dragon flower color displays incomplete dominance. The phenotypic ratio of F2 progeny resulting from a monohybrid cross of true-breeding parents with white and red flowers is 1:2:1 (red:pink:white).
Incomplete dominance refers to a phenomenon in which two true-breeding parents are crossed to produce an intermediate species. Intermediate species produced in F1 progeny are heterozygous but do not show dominance. Instead it produces an intermediate trait of the two parental traits. The phenomenon is called partial dominance or intermediate inheritance.
Genotype refers to the set of genes in an organism. Phenotype is the physically observable characteristics determined by the genotype of an organism. Intermediate species produced in F1 progeny of snapdragon produces a pink flower resulting from red and white flowered parents. The phenotypic ratio of the f2 progeny resulting from a monohybrid cross of true-breeding parents of snapdragon with white and red flowers is 1:2:1 for red : pink : white. As the species of snapdragon produces an intermediate F1 progeny with pink flowers, it is known to show incomplete dominance.
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phenotypic characterization of complement factor h r1210c rare genetic variant in age-related macular degeneration
Phenotypic characterization of complement factor h r1210c rare genetic variant in age-related macular degeneration. This is a correct statement.
What is a complement factor?Due to its capacity to destroy activated complement proteins, C3b and C4b in the presence of cofactors such as factor H, C4b-binding protein, complement receptor 1, or CD46, factor I (FI) is an essential inhibitor governing all complement pathways.
Rare complete FI deficiency results in complement consumption, which fuels recurring severe infections, glomerulonephritis, or autoimmune disorders. FI is mostly produced in the liver. A typical hemolytic uremic syndrome, a serious illness marked by thrombocytopenia, microangiopathic hemolytic anemia, and abrupt renal failure, is in turn linked to incomplete FI deficiency.
Therefore the statement is correct.
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Halobacterium salinarum lives in and requires a high salt concentration. this is an example of an archaeon described as a?
Halobacterium salinarum lives in and requires a high salt concentration. this is an example of an archaeon described as a halophile.
In the field of ecology, extremophiles can be described as organisms that can survive in extreme conditions.
An organism that has the capability to live in high salt conditions is termed as a halophile.
Halobacterium salinarum is an example of a halophile organism as it thrives in areas where there are excessive salt concentrations. Halobacterium salinarium belongs to the archaea domain and has the characteristic of living in salty conditions.
The body of the Halobacterium salinarium has adaptive features that make it suitable to live in salt conditions. It has active transporters that help in balancing its internal atmosphere and enzymes that can maintain osmotic pressure.
Although a part of your answer is missing, you might be referring to this question:
Halobacterium salinarum lives in and requires a high salt concentration. This is an example of an archaeon described as a ______.
A. barophile
B. halophile
C. thermophile
D. psychrophile
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Specialization can be both limiting and beneficial. How would a plant species benefit from a pollinator that only visits the flowers of that plant species? Less competition for pollinators with other species. Less competition for pollinators within the species. The flowers always having a pollinator. Decreased self-fertilization, allowing for greater genetic variation.
Answer:
Less competition for pollinators with other species.
Explanation:
Answer:
The answer is C
Explanation:
Just finished test
Do the data support the idea that plants can communicate their drought-stressed condition to their neighbors? If so, do the data indicate that the communication is via the shoot system or the root system? Make specific reference to the data in answering both questions.
Answer: Yes. Also if you want a better answer ask some one else.
Which of the following was not one of Aristotle's four elements that made up the world?
O Lava
O Water
Air
O Fire
why do you think some chemotherapeutic drugs which kill bacteria have side effects? which ones would have more adverse reaction or side effects?
Chemotherapeutic drugs which kill bacteria have side effects because Cancer cells have a tendency to develop fast, and chemo tablets kill fast-developing cells. But due to the fact those tablets tour for the duration of the body, they are able to have an effect on normal, wholesome cells which are fast-developing, too. Damage to wholesome cells reasons facet effects.
Beta-lactam antibiotics kill micro organism which are surrounded with the aid of using a mobileular wall. Bacteria construct mobileular partitions with the aid of using linking molecules together—beta-lactams block this process. Without aid from a mobileular wall, strain within the mobileular turns into an excessive amount of and the membrane bursts.
Cancer cells have a tendency to develop fast, and chemo tablets kill fast-developing cells. But due to the fact those tablets tour for the duration of the body, they are able to have an effect on normal, wholesome cells which are fast-developing, too. Damage to wholesome cells reasons facet effects.Chemotherapy can reason nausea and vomiting (throwing up). There are medicinal drugs which are given earlier than and after every dose of chemotherapy which could commonly save you nausea and vomiting.
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Lichens are important primary producers in the tundra and can comprise more than half the diet of caribou in winter. Why might you predict that lichens would be more abundant in tundra ecosystems than in most other ecosystems around the world? (See Concept 31.5.)
Lichens are the number one wintry weather forage for massive herds of migratory caribou. Caribou select for lichens extra than they're to be had across the panorama and that they usually avoid, for the duration of wintry weather, a habitat that has been burned with the aid of wildfires for decades whilst lichen abundance recovers.
Lichens are vital number one manufacturers in the tundra and may contain extra than half the weight loss program of caribou in winter. Lichens are ecologically essential as food, safe haven, and nesting cloth for wildlife; and play vital roles in hydrological and mineral cycles, drastically nitrogen fixation.
Lichens play a critical position in Arctic ecosystems by assisting to cycle nutrients and shaping plant communities further to provide food to subsistence hunters. Many caribou herds are in decline across the Arctic.
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The process in which enzymes with neuron convert precursors into neurotransmitter molecules is called?
The process in which enzymes with neuron convert precursors into neurotransmitter molecules is called synthesis
How can neurotransmitters go through a synapse fGrom one neuron to another?Neurotransmitters are released from the axon into the synapse during neuronal communication as a result of an electrical impulse. Crossing the synapse, the neurotransmitters attach to receptors, which are particular molecules on the opposite side. The dendrites include receptors. The message is taken in and processed by receptors.
The most common neurotransmitter in the CNS is glutamate , present in more than 80% of synapses in the brain.
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Considering the second law of thermodynamics, would you expect the typical biomass of primary producers in an ecosystem to be greater than or less than the biomass of secondary producers in the system? Explain your reasoning.
It is expected that the typical biomass of primary producers in an ecosystem is higher than the biomass of secondary producers.
Why biomass is lesser in higher trophic levels?In a given ecosystem the biomass of primary producers is higher than the biomass of secondary producers because only a fraction of energy is available at each successive trophic level and therefore the production of biomass is lesser.
In conclusion, it is expected that the typical biomass of primary producers in an ecosystem is higher than the biomass of secondary producers.
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Explain why a poison that inhibits an enzyme of the Calvin cycle will also inhibit the light reactions.
during the late 1970s, environmental change caused flux in the sizes and hardnesses of seeds available to finches in the galápagos. given what you know about natural selection, match each period of environmental change to the average beak depth you would expect to find in the finch populations.
This group of species became known as "Darwin's finches". In his observations, Darwin saw that variation and selection produced adaptations not only in the structure of the feet, but also in the shape and size of the beaks. He also noted that seeds were the main diet of ground-dwelling finches.due to the likely scarcity of food, the teeth must have a bigger beak to get food in more difficult places.
Why do finches have different beaks?During his expedition to the islands, Darwin noticed that different types of finches had beaks of different sizes and shapes, adapted to different types of food in the different ecological niches they occupied in the Galapagos Islands.
Whit this information we can conclude that Finches adapted to the environment they lived in and the food they had available a wide, strong beak to break up hard seeds on the ground or a long, thin beak to feed on insects that live in trees.
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many biological pathways require feedback inhibition to control the number of products that are provided for the cell
Many biological pathways require feedback inhibition to control the number of products that are provided for the cell Non-Competitive.
What is track feedback inhibition?
Another way a metabolic pathway can be managed is by feedback inhibition. This is when the end development in a metabolic pathway binds to an enzyme at the start of the course. This process stops the metabolic route and so prevents further synthesis of the end development until the end product engagement decreases.
Why is feedback inhibition necessary to cells?
Feedback inhibition contains waste that occurs when more of a product is made than the cell conditions. It can also contain harm when having too much of the course's end product may actually be detrimental to the organism.
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. How is a train comparable to a macromolecule?
The monomers that make up a macromolecule are akin to the coaches that make up a train.
What is a macromolecule?A macromolecule is a molecule that is composed of so many building blocks. The building blocks of the molecule is called the monomers. The monomers come together and yield the macromolecule.
A train is composed of several compartments or coaches. Each of then fits intricately together to give the long train as we see it.
It then follows that monomers that make up a macromolecule are akin to the coaches that make up a train. They have to fit together in order for the large molecule as we know it to exist.
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The primary transcript is ______ to the dna template strand. complementary antiparallel identical
The primary transcript is complementary antiparallel to the dna template strand.
What is a gene's primary transcript?The process by which the data in genes (DNA) is used to create RNA is known as transcription. Before becoming functional, the freshly created RNA, often referred to as the primary transcript (a transcript is the end result of transcription), or pre-mRNA, undergoes additional processing. The DNA-transcribed single-stranded RNA product known as a primary transcript is then processed to produce numerous mature RNA products like mRNAs, tRNAs, and rRNAs. In order to be ready for translation, the primary transcripts identified as mRNAs undergo modifications. An illustration of a primary transcript that undergoes processing to become a messenger RNA (mRNA) is a precursor mRNA (pre-mRNA).Learn more about the Transcription with the help of the given link:
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