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Chapter 1&2 Ecology
Interactions of Life
Question | Answer |
---|---|
The part of earth that supports life | biosphere |
all biotic and abiotic things in an area | ecosystem |
The study of the interactions between other organisms | Ecology |
all of the organisms of the same species together in an area | population |
all of the populations in one area | community |
a place were an organism lives | habitat |
anything that restricts the number of individuals in a community | limiting factors |
the largest number of individuals that can be in an area | carrying capacity |
when two animals are fighting for the same resources | competition |
when a species moves into a new area with plenty of food | exponential growth |
the highest rate of reproduction under ideal conditions | biotic potential |
the number of individuals of one species per a specific area | population density |
get food from other things like sun or water | producers |
get food from other animals or living things | consumers |
close relation between two organisms | symbiosis |
1 organism benefited 1 unharmed | commensalism |
1 organism benefited 1 harmed | parasitism |
an organisms role in an enviroment | niche |
2 organisms benefited | mutualism |
model of feeding relations in an ecosystem | food chain |
the one that is attacking the other organism | predator |
the one being eaten | prey |
the production of energy-rich nutrient molecules from chemicals | chemosynthesis |
a model that shows all the possible feeding relationships among the organisms in a community | food web |
shows the amount of energy available at each feeding level in an ecosystem | energy pyramid |