Answer:
A. The dust mites living in a sofa that is often used and never cleaned
Explanation:
Without the sofa being cleaned, the dust mites will never experience any predation or die off from humans and harsh cleaning chemicals. This will enable the population to increase exponentially, as opposed to the other options where the organisms are at risk for ample predation and starvation.
Exponential growth refers to the growth of organisms in an environment having unlimited resources. The organism grows exponentially or in a geometric fashion.
The dust mites living on the sofa that is often used and never cleaned.
The population has high chances of exponential growth will be:
1. Exponential growth is seen in the environment or surroundings where the resources are plentiful, and the number of organisms is dependent on those resources.
2. The dust mites living in the sofa that has never been cleaned will show exponential growth. Since the sofa is never cleaned, the mites have never faced any elimination by chemicals. The population will increase exponentially.
3. The other options have chances of competition, starvation, and predation that will not lead to the exponential growth of organisms.
Thus, the correct answer is Option A.
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Which two words are paired correctly?
Overtebrate, endoskeleton
Oinvertebrate, endoskeleton
Overtebrate, autotroph
O invertebrate, autotroph
I NEED ASAP
Answer:
vertebrate, endoskeleton
Answer:
two words are paired correctly is vertebrate, exoskeleton have a good day mine is bad but have a good day
Explanation:
i did the test
How does sugar affect people
Answer:
The effects of added sugar intake: higher blood pressure, inflammation, weight gain, diabetes, and fatty liver disease... are all linked to an increased risk for heart attack and stroke.
Explanation: Hope this helps <3
Describe where in nature you would see contaminated water actively weathering rocks and how it may differ from non-contaminated water.
Answer:
The contaminated water contains harmful chemicals which results in the cracking of rock.
For example: The feldspar crystals within the granite react with the water chemically to form clay minerals which makes the rock weak and hence result in weathering.
Which are the main stages of the cell cycle? Select three options.
interphase
mitosis
metaphase
cytokinesis
anaphase
I will look back on my test and whoever is right and if they were both right I will mark the first one that answers brainliest!
PLEEASE HELP!
Answer:
interphase
mitosis
Cytokinesis
Explanation:
three stages of the cell cycle interphase longest part of the cell cycle cell grows and develop and function Parts in our body almost at the end of the interphase DNA and chromosomes double mitosis stage in cell where cell divides into nuclei Cytokinesis the two daughter cells create as the cytoplasm divides each daughter cell has an exact copy of parent cells DNA
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Which tool is used to test for nitrates?
A. turbidity test
B. pH meter
C. soil testing kit
D.water quality testing kit
The tool which is typically used for testing nitrates is: C. soil testing kit
Nitrogen is a chemical element with the symbol "N" and it has an atomic number (number of protons) of 7.
Basically, nitrogen is found in group (5) of the periodic table and as such it has 5 electrons in its outermost shell.
Oxygen is a chemical element with the symbol "O" and it has an atomic number (number of protons) of 8.
Generally, when nitrogen and oxygen react chemically, they produce a compound known as nitrogen dioxide.
In Chemistry, nitrates are chemical compound that comprises nitrogen and oxygen.
Also, nitrates are used in the production of soil fertilizers in agriculture.
In conclusion, a soil testing kit is mainly used to test the presence of nutrients such as nitrates in soils.
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The vertebrate lung first appeared in ___________.
Answer:
fishes
Explanation:
A progenitor feature found in early boney fish served as the basis for the development of the vertebrate lung.
What are vertebrate lungs?The lung of modern vertebrates evolved from a structure that was present in the ancestors of early boney fish.
Lungs in vertebrates originated as extra air-breathing organs in primordial fishes and were ventilated by buccal pumping when they first appeared. In more modern fishes, the organ formerly known as the lungs has been replaced with the hydrostatic swimbladder. This fundamental kind of unicameral lungs and the buccal pumping ventilation observed in these lungs can also be found in more modern amphibians.
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Which polymer
can be found "freely floating" in the cytoplasm of a bacteria?
A) proteins
B) lipids
C) carbohydrates
D) nucleic acids
If you needed to sterilize a mattress, which of the following would be most useful?
Question options:
membrane filtration
phenolics
incineration
UV radiation
carbon dioxide (scCO2)
Answer:
d
Explanation:
If you are experiencing Na channels deactivating the plasma membrane which hyperpolarizes the membrane which sense is being activated?
The options are missing from the question,below are the options.
A) touch
B) smell
C) hearing
D) sight
The correct answer to the question is option D
SIGHT.
If one is experiencing Na channels deactivating the plasma membrane,the sense that is being activated is SIGHT,
this is because in the red blood cell,the light induced isomerization of the moiety retinal rhodoesin produce activated opsin which goes ahead to activate the signal transducing G-protein transducin,this it does by catalyzing exchange of GTP (Guanosine triphosphate) for bound GDP(guanosine diphosphate) on the subunit.
This GTP in turn activates the level of CGMP (Cyclic guanosine monophosphate) phosphodiesterase and it further acts to lower the level of CGMP.
Upon this reduction,it leads to the closing of CGMP-gated Na+ channels and hyperpolarization of the membrane.
why are Some substances allowed to cross the cell membrane while other substances are not?
Answer:
membranes are semipermeable so only let certain materials in and out; if there are carrier or channel proteins, then passive transport can occur otherwise active transport is required which requires energy.
Explanation:
membranes are semipermeable so only let certain materials in and out; if there are carrier or channel proteins, then passive transport can occur otherwise active transport is required which requires energy.
Who is Thomas Malthus?
Answer:
Thomas is an English economist and demographer. He is best known for his theory that population growth will always tend to outrun the food supply and that betterment of humankind is impossible without stern limits on reproduction.
Explanation:
.Explain why the scientific process is important when learning about diseases.
Answer:
The scientific process is important when learning about diseases because it allows to obtain reliable and valid knowledge about the different existing diseases, it helps in solving problems correctly and it is the best tool to nullify arbitrary opinions regarding a diagnosis or treatment, taking into account each of its stages.
Explanation:
The scientific method is a process through which relationships between facts are established to arrive at the verification of something. Through this step by step in which facts are discarded and added, the answers to findings are based. It is through the information generated by the research that it is possible to associate and / or integrate a set of symptoms and signs with a probable nosological diagnosis. Similarly, the selection of treatment and even the prognosis of patients depend on the information obtained from a population of subjects who share attributes; they depend, in a word, on research. Bearing in mind the scientific process, scientific thinking develops with practice, and for this it is necessary that there be constant reflection on the problems, have guides for the interpretation of medical reading, develop research protocols, learn to collect and analyze data about diseases.
Scientific is very important in order to obtain information about the disease.
The scientific process is important when learning about diseases because it provides information about various aspects of diseases as well as provides solution about cure of the disease.
This scientific process or method can be used for obtaining information about the causes of disease, its causing agents and cure for the disease so we can conclude that scientific is very important in order to obtain information about the disease.
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5. Animals depend on plants for carbon dioxide..... True or False
true they depend on plants forco2
Answer:
No
Explanation:
Animals get Carbon dioxide from the air, and carbon dioxide is emitted by burning of fossil fuel
I need Help please?????!!!
Answer:
force
Explanation:
Force is as follows, strength or energy as an attribute of physical action or movement. (ex of physical action. push or pull)
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Can someone help? I don’t understand this at all.
Answer: the part where it says *eyecolor* man/woman ect. you choose an abbreviation for it i’m think and then for #3 you would put cb or sum for color blind on the top left, the left side on that same square, ncb for noncolor blind on the bottom square on the left, and ncb above the top right place, fill in the area labeled cb/cb with cb cb, the area under would have cb ncb, top right would be ncb cb n the one under would be nbc nbc (a) 25% (b) 25%
Explanation:
What do tropical rainy and temperate marine climates have in common?
O dry winters
O very few trees
O very hot temperatures
O high levels of precipitation
use your own words to explain planetary gravitation. provide an example.
plz help i need this done fat thank you
Answer:
1,4,5
Explanation:
Which ecosystem is more stable - a potato field or a forest?
Answer:
A forest ecosystem is more stable than a potato field.
Explanation:
The forest ecosystem is a natural one and all the elements are balanced, they are managed by the nature itself.
The forest ecosystem is a natural one, and all the components are in harmony since nature herself manages the ecosystem.
Thus, A forest ecosystem, or simply a forest, is a community of plants, animals, microorganisms, and other species that interact with the chemical and physical elements of their environment.
The species in a forest ecosystem are depending on one another in order to survive, and they can be roughly categorized as producers, consumers, and decomposers based on their ecological roles.
The boreal forest that surrounds the Earth in northern latitudes is an example of a vast forest ecosystem. A forest ecosystem can also be as small as a microsite on a tree limb where mosses, insects, and microscopic species coexist.
Thus, The forest ecosystem is a natural one, and all the components are in harmony since nature herself manages the ecosystem.
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Primer design is a critical step for the detection of a particular sequence in a sample. Which of the following would be true of primer design?
The group of choices is as follow:
A. RNA polymerase are added to the PCR mix to design random primers
B. If detecting viral infection by PCR, the primers must not be complimentary (match) to regions of human DNA
C. Pairs of primers must be designed, one to start amplification with Taq polymerase, the other to start amplification with human polymerase
D. Primers are optional if you want to amplify all DNA within a sample
Answer:
The correct answer is - B. If detecting viral infection by PCR, the primers must be complementary to regions of human DNA.
Explanation:
Short, single-stranded segments of DNA sequences utilize in the real-time PCR or polymerase chain reaction technique are called primers. Primers used to hybridize the region of the segment needed to be amplified.
The human polymerase enzyme is not used in the PCR reaction and requires a 3'OH group to synthesize the DNA by amplification which is possible only in the presence of primers as they have a 3'OH.
Discuss how constraints related to biology and management affect the choice of a crossbreeding system. Please be descriptive.
Answer:
Some important constraints:
-Plant breeding: autogamy and allogamy, self-sterility, etc
-Animal breeding: trait compatibility
- Breeding systems in general (i.e., both in plants and animals): barriers for sexual reproduction
Explanation:
Crossbreeding systems consist of the breeding between two breeds in order to develop progeny with particular advantageous phenotypic traits. In-plant crossbreeding systems, it is imperative to have into account whether the plant is autogamous (reproducing by self-pollination) or allogamous (reproducing by cross-fertilization), because it will affect the fitness of the progeny resulting from these breeds. Moreover, the biological mechanisms of self sterility and compatibility must be also taken into consideration. In-animal breeding systems, it is important to have into consideration that phenotypic traits we desire to obtain in the progeny must be compatible between races. In addition, the barriers for sexual reproduction are also an important issue both in plant and animal breeding systems, it thus being impossible, for example, to get a breeding between Chihuahua and Great Dane dogs.
A firefly uses chemicals in its body to produce a glowing body. What energy transfer is this?
Answer
Bioluminescence is a chemical reaction. It takes place inside the light-producing organ of a glowing creature. Fireflies, for example, make light in their abdomens. The chemical reaction produces energy in the form of photons.
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Crust is created at which type of plate boundary?
Answer:
At convergent boundaries
Explanation:
"continental crust is created and oceanic crust is destroyed as it subducts, melts, and becomes magma."
Hope this helps!!
i need help with this, it's not really coming to my head and its getting annoying
Answer:
looks really hard
Explanation:
Answer:
Things that are found only in bacteria cells are : circular DNA of the nucleoid, the cell wall of peptidoglycan, and flagella.
Things that are found only in animal cells are: centrosome and lysosomes.
Things that are found only in plant cells are: large vacuoles, cell wall, chloroplasts and specialized plastids.
Can someone help? I don’t understand this at all
Answer: a plant with genotype rr will have red phenotype as the dominant, since there are two, same goes for ii, it will have ivory phenotype as the dominant. Meaning the one with ri would be of equal dominance. While the answer to the question on the bottom will be 1/2 or 50/100 chance of the pick one getting picked since, well, there is one of each plant, the possibility will have an equal chance of getting picked.
Explanation: hope this answers some of your questions.
what are two limits to cell growth
How do the Atlantic and Pacific profile differ from one another? Be descriptive of each region of ocean floor?
true or false: The main reason why living organisms require a constant supply of energy is to maintain themselves in a highly organized state.
Answer:
true
Explanation:
Answer:
True
Explanation:
it's true because
can someone help me with this worksheet
Answer:
1. tissues
2. skin
3. connective tissues
4. brain
5. organ
6. taste buds
7. epithelial tissues
8. organ ssytems
9. organism
10. nerve tissues
Was Minato's last name Senju? It was never revealed in the show. Maybe it was in the comics?
Answer:
it was minato namikaze fatther of naruto and husband of the red hared woman and yes it was revealed in the show
Explanation: