3TEST

3TEST

Assessment

Flashcard

Biology

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is speciation?

Back

Speciation is the evolutionary process by which populations evolve to become distinct species. It often occurs when populations are isolated from each other and undergo different evolutionary pressures.

2.

FLASHCARD QUESTION

Front

What environmental factor most strongly affects the bill width in finches?

Back

The type of seeds present in their environment is the most significant factor affecting the bill width in finches, as it influences their feeding habits and survival.

3.

FLASHCARD QUESTION

Front

What is the function of polar heads in a phospholipid bilayer?

Back

The polar heads help to prevent the fatty acids from sticking together, allowing for fluidity in the cell membrane.

4.

FLASHCARD QUESTION

Front

How do evolution and natural selection relate to each other?

Back

Natural selection is a major mechanism by which evolution occurs, as it favors individuals with traits that are better suited to their environment.

5.

FLASHCARD QUESTION

Front

Why are individuals more likely to survive in their environment according to natural selection?

Back

Individuals are more likely to survive because they are better adapted to their environment than others.

6.

FLASHCARD QUESTION

Front

Define natural selection.

Back

Natural selection is the process by which organisms that are better adapted to their environment tend to survive and produce more offspring.

7.

FLASHCARD QUESTION

Front

What is the role of genetic variation in evolution?

Back

Genetic variation provides the raw material for natural selection, allowing populations to adapt to changing environments.

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