Question 1

Which of these is not an instinctive behavior?

Accepted Answer

a horse pulling a plow

Answer

a bird building a nest

Answer

a bear hibernating in winter

Answer

a turtle burying its eggs

Question 2

What cellular structure is found in plants, but not in animals?

Accepted Answer

chloroplast

Answer

endoplasmic reticulum

Answer

nucleus

Answer

mitochondria

Question 3

Organisms with a body covering of feathers are classified as

Accepted Answer

birds

Answer

amphibians

Answer

mammals

Answer

fish

Question 4

Several scientists observe an animal with hair and wings. This animal is a

Accepted Answer

bird

Answer

butterfly

Answer

bat

Answer

flying squirrel

Question 5

Which of the following is true about vertebrates?

Accepted Answer

vertebrate bodies are more complex than those of invertebrates

Answer

vertebrates are primitive animal groups

Answer

vertebrates have no backbones

Answer

there are many more vertebrates than invertebrates

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