1.Yeast cells move by themselves. True
False
2.There are male and female algae.

True
False
3.Given the statements below, choose the one that is true about one-celled living things.

Under normal conditions, yeast produces spores.
The adult stage for one-celled organisms is usually extremely long.
Algae can only be unicellular.
Because of its size, algae does not make much oxygen for the earth.
4.Mold is a one-celled plant.

True
False
5.Yeast uses photosynthesis to provide its own energy.

True
False
6.There are more yeasts than algae.

True
False
7.Yeast has chlorophyll.

True
False
8.Mold has roots.

True
False
9.Algae have cell walls.

True
False
10.There are some many-celled algae.

True
False
11.Yeasts can reproduce very quickly.

True
False
12.Yeast reproduces by:

mitosis
spores
budding
13.What is produced as yeast reproduces?

gas
water
a mineral
14.Algae are important to the earth's supply of:

hydrogen
oxygen
nitrogen
15.Yeast grows by adding:

seeds
cells
cytoplasm
chlorophyll