Plants unit test review

____________________ is a gas in the air that is absorbed by plants

• carbon dioxide

• oxygen

• flowering

• non-flowering

____________________ is a plant that produces flowers with seeds

• carbon dioxide

• oxygen

• flowering

• non-flowering

____________________ is a gas in the air that plants and animals need to survive

• carbon dioxide

• oxygen

• flowering

• non-flowering

____________________ is a plant that does not produce flowers

• carbon dioxide

• oxygen

• flowering

• non-flowering

How can you classify a fern?

• as a plant that has needles

• as a plant that makes spores

• as a plant that has a prickly stem

• as a plant that makes seeds

How do leaves help plants?

• They hold the plant up.

• They take in water from the soil.

• They help make food through photosynthesis.

• They help make seeds.

What is the difference between tap roots and fibrous roots?

• Tap roots are little, but fibrous roots are big.

• Tap roots are slippery, but fibrous roots are slimy.

• Tap roots have one large root, but fibrous roots have a bunch of small little roots.

• Tap roots are always brown, but fibrous roots can be many colors.

Where in the plant can you find tiny tubes that move water and nutrients from the roots to the leaves?

• bark

• stem

• seed

• flower

What structures help keep a cactus from losing too much water?

• thick, waxy stems

• deep tap roots

• seeds made in cones

• leaves with stinging hairs

Plants need water, air, food, and space to live and grow. Tell how two parts of a plant help it meet those needs.