Biology 20: Energy And Matter Exchange In The Biosphere Questions And Answers
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Course
Biology 20 -
Institution
Biology 20 -
Biology 20: Energy And Matter Exchange In
The Biosphere Questions And Answers
Organism An individual animal, plant or single-celled life form
Population A group of individuals of the same species occupying a given area at a certain
time
Community The populations of all species that occupy a ...
Biology 20: Energy And Matter Exchange In
The Biosphere Questions And Answers
Organism An individual animal, plant or single-celled life form
Population A group of individuals of the same species occupying a given area at a certain
time
Community The populations of all species that occupy a habitat
Ecosystem A community and its physical and chemical environment; the functional unit
of the biosphere
Biodiversity The number of species within an ecosystem; biological diversity
Food chain A sequence linking organisms that feed on each other, starting with a food
source and continuing in order with each consumer
Producer An autotroph; an organism that makes its own food
, Biology 20: Energy And Matter Exchange In
The Biosphere Questions And Answers
Consumer A heterotroph; an organism that must eat producers or other consumers to
survive
Predator A species that feeds on another species, keeping the population of the prey in
check
Prey A species that is targeted by a predator species, providing an important food source
Indicator species A species sensitive to small changes in environmental conditions; can
provide an early warning sign that the ecosystem balance is being perturbed
Herbivore An animal that eats only plants
Carnivore An animal that feeds only on other animals
Omnivore An animal that eats both plants and other animals
Detritus Waste from plants and animals, including their dead remains
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