| A | B |
|---|
| Logistic growth happens when | a population’s growth slows or stops following a period of exponential growth. |
| Logistic Growth – is | represented on a graph by an S curve |
| competition is when | two species or organisms both need the same resource |
| how much energy is transferred form one trophic level to the next | 10 % |
| greenhouse effect | natural situation in which heat is retained in Earth’s atmosphere by carbon dioxide ,methane, water vapor |
| global warming | increase in the average temperatures on Earth |
| renewable resource | resource that can regenerate quickly and that is replaceable |
| nonrenewable resource | : resource that cannot be replenished by natural processes |
