Vocabulary
Structures
Review
100

____________  means "a safe place".

Shelter

100

This structure helps birds fly.

wings

100

Carrots and radishes have a thick root called a _____________.

taproot

200

____________ are "structures that take in oxygen from water".

Gills

200

This structure helps birds eat and build nests.

beak
200

This plant structure takes in the sunlight and carbon dioxide to make food.

leaf

300

____________ are "structures that takes in oxygen from the air".

Lungs

300

This structure helps a fish steer.

fins

300

All of the following are living things EXCEPT:

people

animals

rocks

rocks

400

REVIEW VOCABULARY!!

___________ are "the building blocks of living things".

Cells

400

This structure helps a wolf run and jump.

strong legs

400

All of the following are nonliving things EXCEPT:

water

sun

plants

plants

500

REVIEW VOCABULARY!!

______________ is "the process in which plants make their own food".

Photosynthesis

500

This structure helps ducks and geese swim.

webbed feet

500

An ___________________ is all of the living and nonliving things that surround an organism.

environment

M
e
n
u