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Ecology
| Term | Definition |
|---|---|
| Another word for producer | autotroph |
| Describe producer/autotroph | makes their own food using light |
| Another word for consumer | heterotroph |
| Describe consumer/heterotroph | requires a food source/ eats other organisms |
| Three types of heterotrophs | Carnivore, Omnivore, Herbivore |
| Carnivore | eats meat |
| Omnivore | eats plants and meat |
| Herbivore | eats plants |
| Predation | predator/prey relationship |
| competition | fighting for resources |
| parasitism | one organism benefits and the other is harmed |
| mutualism | both organisms benefit from the relationship |
| commensalism | one organism benefits and the other is neither helped nor harmed |
| trophic level | the levels within a food chain |
| All organisms get their food directly or indirectly from the __________ | sun |
| Limiting factors | factors that restrict the size of a population |
| carrying capacity | number of organisms a particular species is capable of surviving |
| energy pyramid | energy and biomass decrease as you go up the pyramid |
| 10% rule | 90% of energy is lost every step up the energy pyramid (plants = 100%, primary consumer = 10%, secondary consumer = 1%, tertiary consumer = 0.1%) |
| food chain | a series of organisms that eat one another to obtain energy |
| food web | many food chains that intersect |
| nich | role and position a species has in its environment including how it meets its needs for food and shelter |
| food chain/food web arrows point in which direction | towards who is eating the food (mouse ------>snake) The snake is getting the energy |
Created by:
lwebber
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