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How Do We Know Living Things Are Related?

How Do We Know Living Things Are Related?

Assessment

Flashcard

Biology

KG

Practice Problem

Easy

Created by

Daniela Harvey

Used 1+ times

FREE Resource

Student preview

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13 questions

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1.

FLASHCARD QUESTION

Front

What is a clue that all living things are connected?

Back

The similarity in basic structure of body parts like a cat’s paw, a bat’s wing, and a human hand.

2.

FLASHCARD QUESTION

Front

What do scientists believe about many animals?

Back

Scientists believe that many animals share a common ancestor from which different animals evolved.

3.

FLASHCARD QUESTION

Front

What are the three main types of evidence for common ancestry?

Back

Homology, embryology, and genetics.

4.

FLASHCARD QUESTION

Front

What are homologous structures?

Back

Body parts that look similar in different animals because they come from the same ancestor.

5.

FLASHCARD QUESTION

Front

Give an example of homologous structures.

Back

The bones in a whale’s flipper, a human arm, and a bird’s wing are arranged in a similar pattern.

6.

FLASHCARD QUESTION

Front

What does embryology study?

Back

Embryology is the study of how animals grow before they are born or hatched.

7.

FLASHCARD QUESTION

Front

What do scientists notice about embryos of different animals?

Back

Many animals look very similar at early stages of development, such as having tails and tiny gill-like structures.

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