Terms - Interactions of Living Things
Terms in this set (25)
Nonliving, physical features of the environment, including air, water, sunlight, soil, temperature, and climate.
Pertaining to life; environmental factors created by living organisms.
The regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist.
Any animal that lives by preying on other animals.
Any animal that feeds on flesh.
Organism that obtains energy by eating only plants.
An animal that feeds on both animal and vegetable substances.
A group of interdependent organisms inhabiting the same region and interacting with each other.
A system formed by the interaction of a community of organisms with their physical environment.
A group of organisms of the same species populating a given area.
The branch of biology concerned with the relations between organisms and their environment.
A network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem.
Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.
A diagram that shows the amount of energy that moves from one feeding level to another in a food web.
A symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed.
A symbiotic relationship in which both species benefit from the relationship.
A symbiotic relationship in which one organism lives in or on another organism (the host) and consequently harms it.
The struggle between organisms to survive in a habitat with limited resources.
The process in which species exert selective pressure on each other and gradually evolve new features or behaviors as a result of those pressures.
The relation between two different species of organisms that are interdependent.
Organisms that make their own food.
Organisms that break down wastes and dead organisms and return raw materials to the environment.
An organism that obtains energy and nutrients by feeding on other organisms or their remains.
Largest number of individuals of a population that a environment can support.
Any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms.
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