Animal Structures 1
Animal Structures 2
Plant Structures
Bonus Question
100

Which of these internal structures helps many animals take in oxygen from the air?

A. liver

B. lungs

C. intestines

D. heart

B) Lungs

100

The beak is an external structure a bird uses to do what?

Eat

100

Which external plant structure takes in water and nutrients to help a plant grow?

The roots

200

Which internal structure acts as the control center for an animal?

A. computer

B. heart

C. brain

D. lung

C) Brain

200

Which of these helps an elephant grow large?

A. its ability to run from danger

B. its ability to hear prey

C. its ability to eat a lot of food

D. its ability to feel vibrations with its feet

C) Its ability to eat a lot of food

200

Which external structure of a wild rose plant functions in making seeds for reproduction?

A. flower

B. stem

C. thorn

D. leaf

A) Flower

300

Which internal structure helps an animal digest food?

A. rib

B. skull

C. foot

D. stomach

Stomach

300

Name one of a wolf's external structures and describe its function.

Ears - hearing

Claws - defense, grasping, digging, etc.

Legs - running

(Many correct answers)

300

In which external structure of a wild rose plant does most food production take place?

A. flower

B. stem

C. thorn

D. leaf

D) Leaf

400

Name one of a wolf's internal structures and describe its function.

Heart - pumps blood

Brain - control center

Lungs - breathing

Stomach - digests food

Etc.

400

All plants and animals have internal and external structures that help them do what?

A. grow

B. breathe

C. reproduce

D. perform the functions of life

D) perform the functions of life

400

What is the function of plant structures such as tree bark, rose bush thorns, and cactus spines?

A. protection

B. to move water and food around the plant

C. to make food

D. make and hold seeds

A) Protection

400

Why are seeds an important structure in a plant? Choose the best answer.

A. the make food for the plant

B. they are responsible for new life

C. they transport water and food around the plant

D. seeds are food for animal

B) They are responsible for new life