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Cubangbang #129283
Cubangbang's 7thB Ch.23 Natural Resources Stack #129283
Question | Answer |
---|---|
euthanasia | the killing of people who are old or very sick. |
Populatin decrease | if the death rate increases or if the birthrate decreases |
Population increase | if the birthrate increases or if the deathrate decreases |
Crop rotation | a method of farming in which a farmer changes the kinds of crops he grows in a particular field every year or 2 |
Legumes | bacteria living in the roots |
Fertilizer | a substance that contains the nutrients needed by plants |
Birthrate | the rate at which members enter a population |
Deathrate | the rate at which members leave a population |
Endangered species | a species that may soon become extinct if man does not take care of it |