Science Chapter 3

Which is one way that scientists classify plants?

• chloroplasts

• photosysnthesis

• reproduction

• chlorophyll

Which adaptation would be most useful to an animal that eats ants in the ground?

• a long mouth

• fins

• beak

• webbed feet

Which is an example of an instinct?

• a spider spins webs

• a child speaks Chinese

• a Sea lion balances a ball on its nose.

• a dog stays away from skunks

Which is not an example of an animal behavior?

• staying away from predators

• opening doors that have sensors

• knowing when to migrate

• Chasing a prey until it's caught

Which characteristic shows a change due to stimulus in the environment?

• a giraffe eats leaves from a tree

• a turtle pulls its head into its shell

• a pea plant grows white flowers

• a zebras stripes have a different pattern than its parents

Which adaptation might help protect a plant from dying from drought.

• a flower that looks like a bee

• a waxy coating

• a substance that attracts insects

• a thorny stem

Which behavior is a response to a stimulus in the environment?

• A thirsty rhino searches for water

• A bird migrates south to warmer weather, as the climate turns colder

• A giraffe stretches its neck to reach for leaves

• A bat flies down to catch an insect

What is an example of a learned behavior?

• A zebra has different strips than his parents

• A turtle pulls his head inside his shell.

• A baby bird knows to sit in the nest until it can fly

• a lion cub is able to hunt its prey

True or False: Reptiles have scales, lay eggs, breath with lungs, and are warm blooded.

• True

• False

True or False: Amphibians have smooth skin, have live birth, are cold- blooded, live on land or in the water, and breath with lungs.

• True

• False