Answer:
The sea otters can close their nostrils and their auditory passages in the water.
The fifth toe of each leg is longer, which allows them to swim more easily, but hinders their movement on land.
Their body has great agility to float, due to the excellent lung capacity of these otters, and the air that can trap...
They can walk but in a somewhat clumsy way, usually moving with small jumps.
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What determines the similarities in anatomical features among organisms?
Answer: genes and chromosomes
Explanation:
The body fluid of sharks has a much lower concentration of sodium chloride than that of the surrounding seawater, and yet they are able to remain in osmotic equilibrium with the external environment. How can this be the case? A. Sharks store enough urea in their bloodstream to match the total solute concentration of the surrounding seawater. B. Sharks are osmoregulators. C. Sharks maintain high levels of sodium chloride in their skin. D. Sharks drink large volumes of seawater to compensate for the low salt concentration of their body fluids. E. None of the answer options is correct.
IITIUIT! 2. Whịch kingdoms have organisms that can make their own food?
Help
The above pedigree shows
Answer:
Hi how are you doing today Jasmine
Where doed fertilisation take place?
Answer:
please give me brainlist and follow
Explanation:
fallopian tube
Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.
Describe the process of photosynthesis, in your own words.
Answer:
Photosynthesis is process by which green plants manufacture their food by making use of carbon dioxide and water in the presence of sunlight
Hitchhiker’s thumb (H) is dominant to no hitchhiker’s thumb (h). A woman
who does not have hitchhiker’s thumb marries a man who is heterozygous for
hitchhiker’s thumb. What is the probable genotypic ratio of their
children?
Group of answer choices
50% Hh : 50% hh
100% HH : 0% hh
75% Hh : 25% hh
0% Hh : 100% hh
Answer:
there is a 50 50 chance
Explanation:
have a nice day!;)
The probable genotypic ratio of their children is 50% Hh : 50% hh because the man is heterozygous for the hitchhiker’s thumb, hence option A is correct.
What is a heterozygous condition?In some crosses, there are two conditions, in which some alleles are heterozygous and some are homozygous. In the homozygous trait, both alleles are the same, it may be dominant or recessive HH and hh, respectively.
The cross is between a woman who does not have a hitchhiker’s thumb and a man who is heterozygous for a hitchhiker’s thumb.
Cross: Hh X hh
Gametes: H and h
Genotype: Hh, Hh, hh, hh
Phenotype: 50% of hitchhiker’s thumb and 50% not having hitchhiker’s thumb.
The cross is attached in the image below.
Therefore, due to the heterozygous condition of man genotypic ratio of their children is 50% Hh: 50% hh.
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A wave has a frequency of 64 Hz and a wavelength of 17 meters. The speed of the wave is
Answer:
1088 ms-¹
Explanation:
Speed of a wave=Frequency of the wave*Wavelength of that wave
V=64*17=1088ms-¹
How many kingdoms are represented by the organisms shown
What are two different ways that
weathering can happen?
Chemically & Physically(mechanically)
erosion & physically (mechanically)
chemically & deposition
Answer:
Chemically & Physically(mechanically)
Explanation:
Weathering is the wearing away of rock found at the surface of the earth. There are different ways weathering can occur and they include;
1. Mechanical weathering: This is the breakdown of rock into bits or fragments. Physical factors such as water can lead to this breakdown. When water falls into the pores and cracks of rocks, pressure can be created that will eventually result in the breakdown of these rocks.
2. Chemical weathering: This type of weathering causes a change in the physical makeup of the rock. The new form of rock created is more prone to erosion. Temperature is factor that can speed up chemical weathering.
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Can throat cancer be inherited?
Most throat cancers are generally related to smoking and not hereditary, unless the family members are predisposed to smoking.
Why would allowing a plant to undergo photosynthesis 24 hours a day cause it to grow faster?
Question 1. What change led to an increase in the number of light-colored moths within the population?
1. More mutations
2. Decreased pollution
3. More dark colored trees
4. Fewer humans
Question 2. Claim: Individuals in a population have genetic variations that can be passed on to their offspring. Refer back to the rabbits in the desert from the natural selection activity we did in class. How could an organism's traits influence the survival rate of the population?
Answer: 1. 1. More mutations. 2. According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
Explanation:
A doctor has diagnosed a patient with atherosclerosis. When listening to the blood flow through
might the disease diagnosis affect the sound being detected by the physician?
The blood flow sounds different because the blood is flowing through
vessels with a narrowing of the inner walls of coronary arteries due to
buildup of fatty materials.
The blood flow sounds different because there is a widening of inner walls
of blood vessels due to a high salt diet.
B)
The blood flow sounds different because the walls of the heart have been
stretched due to a heart attack
D
The blood flow sounds different because there is an increased circulation
to the heart.
Answer:
The blood flow sounds different because the blood is flowing through vessels with a narrowing of the inner walls of coronary arteries due to buildup of fatty materials.
Explanation: Atherosclerosis is characterized by cholesterol deposits in the walls of the arteries. This can be hereditary but is often impacted by increased fatty diets.
The disease diagnosis affect the sound being detected by the physician is when the blood flow sounds different. hence, the first option is correct.
Impact on the sound that being detected:Since the patient was diagnosed with atherosclerosis so here the flow of the blood should be sounded different since the blood is flowing via the vessels that have the narrow inner walls because of fatty materials.
Also, Atherosclerosis should be contributed by the cholesterol that is deposited into arteries walls.
hence, the first option is correct.
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Name and give examples of 2 major types of mutations. What do they have in common? How are they different?
Answer:
The correct answer would be - Two major types of mutations are deletions and substitutions.
Explanation:
The two major types of mutations are deletion and substitution, other than these there are many more mutations that are categorized under gene mutations and chromosomal mutation.
The deletion mutation takes place in the conditions where the DNA deletes or missed copying the nucleotide in a new DNA molecule. This type of mutation can occur in one or more nucleotides. Whereas Substitution mutation occurs when there is a wrong nucleotide added to the DNA sequence or substitute with other.
Both could be deleterious and takes place at the nucleotide level. Both mutation depends on the number of nucleotide or the location of the mutation on the gene.
Researchers allow bees to feed from a feeder located 500 meters due south of the hive for several days in a row. They then place a new feeder due south of the hive and place feeders in several other directions from the hive as well, but all are now 450 meters from the hive. They leave the original feeder empty. Next, they determine which feeders that new bees from the hive now visit. What information can they learn from this experiment alone
Answer:
they can learn if Bees are able to calculate distance and direction or if they simply stick to what they know.
Explanation:
From this experiment they can learn if Bees are able to calculate distance and direction or if they simply stick to what they know. Since they have been accustomed to feeding from the feeder that is south they may continue to do so, but since it is not the farthest from the hive and there are other feeders located closer they may chose the new feeder. If they do decide to change feeder, then it tells the researchers that the Bees are able to calculate the distance and know that the new feeders are closer, while which feeder they choose might give them information on how bees determine direction.
What is the meaning of STEM
Answer:
Science, Technology, Engineering, and Math.
Answer:
problem solving creativity critical analysis
STEM is an approach to learning and development that integrates the areas of science, technology, engineering and mathematics. Through STEM, students develop key skills including: problem solving. creativity. critical analysis.
Explanation:
This should help! Have a great day!!
22. What is the advantage of cells being so small?
A. Small cells contain a greater quantity of enzymes than large cells.
B. Small cells do not require energy and get everything they need from osmosis.
C. The cell has a smaller surface area to volume ratio which means it can move nutrients into
the cell and waste out more efficiently.
D. The cell then has a larger surface area to volume ratio which means it can move nutrients
into the cell and waste out more efficiently.
PLEASE EXPLAIN WHY
Answer:
B. Small cells do not require energy and get everything they need from osmosis.
Explanation:
Small cells contain a greater quantity of enzymes than large cells. The cell has a smaller surface area to volume ratio which means it can move nutrients into the cell and waste out more efficiently.
In order for geothermal energy to be produced efficiently, the geology of the area needs high subsurface _______
A. Depth
B. Pressure
C. Salinity
D. Temperature
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Answer:
D. Temperature
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What is your opinion on the use of CRISPR on germ-line cells and why?
A. 2-3 sentences
B. 1-2 sentences for your opinion and 1-2 sentences for your supporting evidence.
Answer: https://medlineplus.gov/genetics/understanding/genomicresearch/genomeediting/
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complex interactions must occur before solar energy is converted into a form of energy humans need to work and perform many life processes truth the sequence that best shows the path of energy
A) radiant energy --> mechanical energy --> chemical energy
B) heat energy --> light energy --> photosynthesis
C) radiant energy --> chemical energy --> mechanical energy
D) mechanical energy --> chemical energy --> radiant energy
Evidence for Evolution:Quesuull The hip bone in whales, the leg bone in snakes, and the appendix in humans are examples of:
Answer:
The correct answer is - vestigial structures or organs.
Explanation:
Vestigial organs are structures or the organs are body parts that had once important function but now have no apparent function. These are body parts that look like these are residual parts from a past ancestor.
The hip bone in whales, the leg bone in snakes, and the appendix in humans are thought to have once important functions but now have no apparent function and are vestigial organs.
A student remarks that it is a good thing that humans discovered how to use industrial processes to fix nitrogen because this ensures that the nitrogen cycle can remain intact if nitrogen-fixing bacteria ever go extinct. Evaluate the accuracy of this statement. A. The statement is accurate because humans are able to fix nitrogen on a large scale that rivals the rate of the process carried out by bacteria. B. The statement is inaccurate because the nitrogen cycle does not depend on nitrogen-fixing bacteria, and their loss would not cause a problem. C. The statement is inaccurate because the product of nitrogen fixation through industrial processes does not have the same biological properties as the product of nitrogen fixation by bacteria. D. The statement is inaccurate because humans would not be able to distribute the product of nitrogen fixation from industrial processes in the same way that bacteria are able to distribute it globally now.
Answer:
D. The statement is inaccurate because humans would not be able to distribute the product of nitrogen fixation from industrial processes in the same way that bacteria are able to distribute it globally now.
Explanation:
Nitrogen fixing bacteria has the responsibility in nature to trap and fix atmospheric nitrogen in ecosystems. They are very important components of the nitrogen cycle and play an important role in maintaining the balance of nutrients in nature.
If humans discover industrial processes to fix nitrogen, the process will be unsustainable in the long run if nitrogen-fixing bacteria ever go extinct because humans would not be able to distribute the product of nitrogen fixation from industrial processes in the same way that bacteria are able to distribute it globally now across several ecosystems all over the world.
How is liver malfunction likely to affect digestion?
O A. It will affect the digestion of high-protein foods.
O B. It will affect the digestion of high-fiber foods
O C. It will affect the digestion of fatty foods.
O D.
It will affect the digestion of fruits.
Answer:
C
Explanation:
It will affect the liver because the liver helps to store fatty foods
Which shows the correct path of how energy flows in a food chain?
A
producer, consumer, predator, decomposer
B
symbiosis, producer, prey, decomposer
C
consumer, predator, carnivore, herbivore
D
niche, consumer, decomposer, chlorophyll
Answer:
A there needs to be a producer, consumer, and predator, and decomposer.
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Geranium leaves grow in positions that permit the optimum use of light as a result of
Answer:
do you work stop cheat broo this evan btw
Explanation:
Geranium leaves are typically arranged in a way that allows for optimal use of light through a process called "heliotropism" or "solar tracking."
What is heliotropism?Heliotropism is the ability of plants to orient themselves towards the direction of the sun to optimize their exposure to light.
Geranium leaves are arranged in a rosette pattern, with each leaf emerging from the base of the stem and spreading outwards. The leaves are arranged in a way that maximizes their surface area while minimizing shading of other leaves. This arrangement allows the leaves to capture the maximum amount of sunlight possible.
Additionally, geranium leaves have a waxy cuticle that helps to prevent excessive water loss and damage from UV radiation. The leaves also have chloroplasts, which contain chlorophyll and are responsible for photosynthesis, the process by which plants use sunlight to produce energy.
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Which of the following is true about the Earth's natural resources?
A.
Natural resources were once formed by geologic processes inside the Earth, but they are now created only by human-made processes.
B.
The natural resources on Earth can never be used up because humans can always make more resources to replace them.
C.
The same natural resources are available in all areas of the Earth because the geologic processes that formed them occurred the same way in every location.
D.
Natural resources are unevenly distributed on Earth because the geologic processes that formed them occurred in different locations over time.
Answer:
im gonna have to go with D
Maintaining homeostasis keeps the internal environment in the body functioning properly. Many organ systems work together and
maintain energy homeostasis. The digestive system is concerned with processing the food that we take in to provide essential
nutrients to the rest of the body. Which of these body systems works most directly with the digestive system in the absorption of
nutrients?
Answer:
it should be the Small Intestine