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Anit [1.1K]
2 years ago
10

Whales and hippos are thought to have evolved from a common ancestor around 54 million years ago. Which of the following is also

true about these species?
Biology
1 answer:
Oxana [17]2 years ago
6 0

Answer:

Both whales and hippos have almost no hair on their bodies. They do not have sweat glands.

Explanation:

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Please help! I will give brainliest to whoever gets it right.
scZoUnD [109]

Answer:

Restate the overall purpose of the experiment. (Why did you do this experiment? What did it teach you?)

2. What were the major findings? (summarize the data you collected)

3. Was the hyposthesis supported by the data? (state your hypothesis and explain how your data relates to your hypothesis)

4. How could this experiment be improved? (If you did this again what could you do differently?)

5. What could be studied next after this experiment? (What else could you test to help you better understand this topic

Explanation:

3 0
3 years ago
What are enzymes, and why are they important to living things?
adell [148]

Answer:

They speed up chemical reactions. Without them you wouldn't be alive. They break down macromolecules, and also lower the amount of energy needed for a chemical reaction to happen.

3 0
3 years ago
Which of the following is a major cause of liver cirrhosis?
marishachu [46]

Answer:

b. Infection with a hepatitis virus

Explanation:

The infection with hepatitis virus can cause sever tissue damage that leads to permanent scarring.

8 0
3 years ago
Classical conditioning is
leonid [27]

Answer:

Classical conditioning (also known as Pavlovian or respondent conditioning) is learning through association and was discovered by Pavlov, a Russian physiologist. In simple terms, two stimuli are linked together to produce a new learned response in a person or animal.

The most famous example of classical conditioning was Pavlov's experiment with dogs, who salivated in response to a bell tone. Pavlov showed that when a bell was sounded each time the dog was fed, the dog learned to associate the sound with the presentation of the food.

John Watson proposed that the process of classical conditioning (based on Pavlov’s observations) was able to explain all aspects of human psychology.

Everything from speech to emotional responses was simply patterns of stimulus and response. Watson denied completely the existence of the mind or consciousness. Watson believed that all individual differences in behavior were due to different experiences of learning. He famously said:

Explanation:

8 0
2 years ago
Which of the cells are involved in graft rejection?
Aleks04 [339]
T cells
The immune response to a transplanted organ consists of both cellular (lymphocyte mediated) and humoral (antibody mediated) mechanisms. Although other cell types are also involved, the T cells are central in the rejection of grafts. The rejection reaction consists of the sensitization stage and the effector stage.
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