Chapter 18 note cards Flashcards
ecology
the study of the interactions of living organism with one another and with there environments
biotic
descibes living factors in the environment
abiotic
nonliving [art of the environment including water, rocks, light, and temputer
population
a group of organism of the same speacies that live in a specific geographical area
community
all the population of species that live in the same habitat and interact with each other
ecosystem
a community of organisms and their abiotic environment
biosphere
the part of Earth where life exists
herbivore
an organism that eats only plants
carnivore
and organism that eats animals
omnivore
eats both plants and animal
food chain
pathway of energy transfers through various stages as a series of organisms
Food web
a diagram that shows the feeding relationship between organism in an ecosystem
Energy pyramid
a triangle diagram that shows an ecosystem loss of energy which results as energy passes trough the ecosystem food chain
Carrying capacity
the largest population that an environment can support at any given time
Prey
an organism that is killed and eaten by another organism
