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chapter 3
nature
| Question | Answer |
|---|---|
| organisms | a living thing |
| habitat | the type of environment that helps the animal live and grow |
| biotic factors | part of a habitat that provides the living and non-living part of a habitat |
| abiotic factors | are the non-living part of a habitat |
| photosynthesis | sunlight,water,oxygen,temperature, and soil |
| species | a group of organisms that are physically similar |
| population | a group of two or more organisms |
| community | a lot of populations close enough to interact with each other |
| ecosystem | when animals make mountains,streams,deep oceans, and evergreen forests their homes |
| ecology | how an organism reacts to changes to it's habitat |
| estimate | an approximation of a number, based on reasonable assumptions |
| birth rate | the number of births in a certain amount of time |
| death rate | the number of deaths in a certain amount of time |
| immigration | moving into a population |
| emigration | leaving a population |
| carrying capacity | the amount of organisms in a habitat |
| population density | number of individuals in a unit area |
| limiting factor | an environmental factor that causes a population to decrease |
Created by:
wdenny
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