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DochEvi [55]
2 years ago
4

The genetic variation between cheetahs is less than 1%. Cheetahs were close to extinction due to the last ice age and recently f

rom hunting and poaching. Although the species has survived, there is little genetic variation within the species. Which of the following provides the best explanation for the lack of variation within the species?
Natural selection
Bottleneck effect
Mutations
Founder effect
Social Studies
2 answers:
nata0808 [166]2 years ago
6 0

Answer:

The answer is the bottleneck effect.

Explanation:

The African cheetah is one of the textbook examples of a genetic bottleneck. Although cheetahs have been on the earth for millions of years, they are expected to become extinct in the coming decades because all the individuals alive today are highly similar in genetic terms. This proves that at some point in the recent past, the cheetah population was reduced to just a handful of individuals. It is believed this happened at the end of the last ice age occurring about 10,000 years ago. This is when many large animals became extinct due to drastic climate changes. Scientists currently estimate there are only about 10,000 cheetahs in the wild with very little genetic variation between them.  

r-ruslan [8.4K]2 years ago
6 0

Answer:

melnce

Explanation:

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Answer:

B identical twins reared together have more similar intelligence scores than fraternal twins reared together.

Explanation:

Apart from genetics, environment plays an important role in the the IW of a child. Some environmental factors that influence intelligence are income, availability of learning resources, nutrition, education and other factors.

With environmental factors in minds research has found out that identical twins that are raised together have similar intelligence scores compared to fraternal twins raised together

8 0
2 years ago
As your textbook discusses, a statistician once discovered that in one of the United States there was a negative correlation bet
svetlana [45]

Answer: correlation vs. causation

Explanation:

Correlation assesses the relationship between variables and can be in the same direction,  where the increase in one exists as the same time as an increase in the other variable or inverse where an increase in one variable occurs when there is a decrease in the second variable. However, this correlation does not indicate causation.

Causation signifies that one variable is responsible for the occurrence of  an event in the other variable. Clearly, there is no cause and effect between the number of mules and doctorate degrees in a state. Here, there is a correlation but a fundamental causative factor is absent between the two events.

5 0
2 years ago
Jade hears a rattle. When she turns around she sees a rattlesnake inches from her leg. Her pupils dilate, her heart pounds, and
alexira [117]

Answer:

c. fight or flight response

Explanation:

Fight or flight response -

It is a the type of physiological reaction , which happens due to the response to any dreadful event or threat , is known as fight or flight response .

This response is used by animals too , for any danger to their life .

This response was first given by Walter Bradford Cannon .

Where , he states that animal react to any threats by the discharge of the sympathetic nervous system and thereby preparing the animal for flighting .

Hence , from the question , Jade too shows a similar response of fight or flight response ,

and therefore from the given options the correct answer is c. fight or flight response .

5 0
2 years ago
What are two criticisms of the unemployment rate how do these criticisms relate to overstating?
Setler79 [48]

The two criticism of unemployment rate are the following;

<span>-          </span>Part time workers are counted as employed

<span>-          </span>Discouraged workers are not included in the labor force

These criticism relate to the overstating or understanding of unemployment rate because part time workers counted as employed will understate the actual employment whereas the discourage workers that does not belong to the labor force will likely understate the actual employment.

7 0
2 years ago
A dirty look, the silent treatment, and avoiding another person can all be examples of which characteristic of conflict? A. Inte
Annette [7]

Answer:

i think the answer is C beacause Interdependence is about relying on others which is not related and the others exept C are not related either.

Your welcome

Explanation:

4 0
2 years ago
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