1
2
100

A _____________ is an organism that breaks down dead and decaying things to help the soil.

decomposer 

100

________ are non-flowering plants that grow in water habitats.

algae 

200

The ________ is the living part of the seed that grows into a new plant.

embryo 

200

A maple seed was designed to travel from the tree by _________. 

wind

300

A mushroom is a type of ________.

fungi

400

A __________ is a composite flower.

sunflower 

500

A ________ tree does not have branches, annual rings, or bark.

palm