| A | B |
|---|
| chemosynthesis | process by which cerain organisms break down energy-rich molecules in order to make their own food. |
| parasite | an organism that lives in or on another organism and receives benefits while harming the other organism |
| alga | a simple, nonflowering plant that is usually found in or around water |
| algae | more than one alga |
| lichens | slow-growing plants composed of algae and fungi |
| caribou | a type of reindeer living in northern Canada and in Alaska |
| producers | organisms that produce their own food |
| consumers | organisms that eat other organisms |
| decomposers | organisms that break down dead organisms |
| microscope | an instrument used to see very small things |
| microscopic | so small as to be seen only with a microscope |
| recycling | changing waste to reusable items |
| arrangement | the result of being placed, or arranged, in a certain way |
| relatively | in relation to something else; comparatively |
| mutual | shared |
| orca | killer whale |
