| A | B | 
| organelle | a tiny structure inside a cell | 
| photosynthesis | the process by which a plant makes food | 
| chloroplast | a structure that captures the light from the sun to make food | 
| diatom | microscopic algae that has a hard shell | 
| flagella | whip-like tails that help one-cell organisms move | 
| amoeba | a protozoan that moves by pushing out parts of itself | 
| Protozoan | a protist that has animal-like qualities | 
| pseudopod | a part of some one-celled organisms that sticks out like a foot to move a cell along | 
| cilia | hair-like structures that some one-celled organisms move | 
| sporozoans | a protozoan that is a parasite whoch lives in blood and causes malaria | 
| decompose | to break down or decay matter into simplier substance |