| A | B |
|---|
| deciduous | trees that lose their leaves in the fall |
| estuary | area where freshwater enters a salt water system |
| taiga | ecosystem that has long cold winters and coniferous trees |
| canopy | tree tops |
| coniferous | cone bearing trees |
| plankton | small microscopic organisms in the ocean |
| symbiosis | two organisms living closely together |
| greenhouse effects | trapping of heat by carbon dioxide in the atmosphere |
| predator | organisms that eat prey |
| weather | day to day conditionsof the earth's atmosphere at a given time |
