Flashcards Ch 22 Notes Part I Introduction to Evolution

Flashcards Ch 22 Notes Part I Introduction to Evolution

Assessment

Flashcard

Science

9th Grade

Easy

Created by

Kelly Jones

Used 1+ times

FREE Resource

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21 questions

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1.

FLASHCARD QUESTION

Front

Our planet is home to a huge variety of organisms.

Back

Scientists estimate 5-20 million species of organisms are alive today.

2.

FLASHCARD QUESTION

Front

Species have disappeared (gone extinct) due to various factors.

Back

These factors include environmental changes and human impact.

3.

FLASHCARD QUESTION

Front

EVOLUTION

Back

The process by which modern organisms have descended from ancient organisms. "Change over time."

4.

FLASHCARD QUESTION

Front

FITNESS

Back

Refers to traits and behaviors of organisms that enable them to survive and reproduce.

5.

FLASHCARD QUESTION

Front

Common Descent

Back

Species share a common ancestor.

6.

FLASHCARD QUESTION

Front

ADAPTATION

Back

Adaptations are based on variations that were randomly inherited. Mutations are the source of all variation, and adaptations increase an organism's fitness.

7.

FLASHCARD QUESTION

Front

Examples of adaptations in different organisms

Back

Examples of adaptations include camouflage in insects, thick fur in polar bears, and streamlined bodies in sharks.

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