book 3 ch 1 Flashcards
(21 cards)
ecology
the study of the interactions of living organisms with one another and with their enviorment
biotic
describes living factors in the enviorment
abiotic
describes the nonliving part of the envioirment, including water, rocks, light. and temp.
population
a group of organisms o the same species that live in a specific geographical area
community
all the populations of species that live in the same habitat and interact with each other
ecosystem
a community of organisms and their abiotic enviorment
biosphere
the part of earth where life exsists
herbivore
an organism that eats only plants
carnivore
an organism that eats only meat
omnivore a computer that eats both plants and animals
a n organism that eats both plants and animals
Food chain
The pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms
Food web
A diagram that shows the feeding relationships between organisms in an ecosystem
Energy pyramid
A triangular diagramed that shows an ecosystems loss of energy which results
Carrying capacity
The largest population. That an environment can support at any give. Time
Prey
And organism that is killed and eaten
Predator
An organism that eats all or part of another organism
Symbiosis
A relationship in which two different organisms live in close association with each ither
Mutism
A relationship between two species in which both species benefit
Commensalism
A relationship between two organism in which one organism benefits and the other is in affected
Parasitism
A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed
Convolution
The evolution of two species that is due to mutual influence often in a way that makes beneficial to both species
