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Ecology
7th grade science
Question | Answer |
---|---|
abiotic | non-living parts of an ecosystem |
adaptation | an inherited trait that increases an organism chance of survival and reproduction in a certain environment. |
arable land | fertile land that can be plowed to grow crops. |
autotroph | self feeding organism that obtains its nutrients by synthesis from the environment. |
benthic zone | bottom of a body of water; inhabited by decomposers, insect larvae, and clams. |
biodiversity | term used to indicate the number and diversity of species on earth. |
biomass | organic matter in plants or plant products. |
biomes | regions that have distinctive climates and organism and that contain many separate but similar ecosystems. |
Quarter Moon's Position | Moon is at right angle to the earth. |
Axis' angle | 23.5 degrees |
Leap year = ? days | 366 |
Rotation of Earth time | 24 hrs. |
Revolution of Earth time | 365 1/4 days |
Humidity | Moisture in the air |
Shortest day of year | December 21st |
Longest day of year | June 21st |
biotic potential |