Book 3 - Chapter 1 Flashcards
Ecology
the study of the interactions of living organisms with one another and with their environment
Biotic
describes living factors in the environment
Abiotic
describes the nonliving part of the environment
Population
a group of organisms of the same species that live in a specific geographocal area
Community
all the populations of species that live in the same habitat and interact with each other
Ecosystem
a community o forgansims and their abiotic environment
Biosphere
the part of Earth where life exists
Herbivore
an organism that eats only plants
Carnivre
only animals
Omnivore
both plants and animals
Food chain
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 triangle diagram that shows the loss of energy with the number of decreasing organsims
Carrying capactiyy
the largest population that an environment can support at any given time
Prey
an organism that is killed and eaten by another organism