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Grade 8 CH 4
Interactions of Life
Question | Answer |
---|---|
The part of Earth that supports life | BIOSPHERE |
The largest number of individuals or organisms of one species that an ecosystem can support over time. | CARRYING CAPACITY |
A symbiotic relationship in which one organism benefits and the other is not affected. | COMMENSALISM |
All the populations of all species living in an ecosystem. | COMMUNITY |
Organisms that cannot make their own energy-rich molecules. | CONSUMERS |
The study of interactions that occur among organisms and their environments. | ECOLOGY |
All the organisms living in an area, as well as the nonliving parts of that environment. | ECOSYSTEM |
The place in which an organism lives. | HABITAT |
Anything that restricts the number of individuals in a population. | LIMITING FACTOR |
A symbiotic relationship which both species benefit. | MUTUALISM |
The role an organisms plays in its environment, how it obtains food and shelter, finds a mate, cares for its young, and avoids danger. | NICHE |
A symbiotic relationship in which one organism benefits but the other is harmed. | PARASITISM |
All organisms of the same species that live in an area at the same time. | POPULATION |
Organisms that use an outside energy source like the Sun to make energy-rich molecules. | PRODUCERS |
Any close relationship between species. | SYMBIOSIS |