| Question |
Answer |
| mixture of decaying materials at the bottom of a pond | detritus |
| organisms such as bacteria and fungi that break down organic matter | decomposers |
| gradual process of change in the plant and animal life in an area | succession |
| a stable community in which the numbers and types of organisms are in relative balance | climax community |
| Under ideal conditions, how will the populatin of Lemna change over time? | increase |
| What is source of most organisms in the pond? | cysts in hay, leaves or soil |
or...
