A living thing that has the ability to act or function independently
an organism that makes its own food
organisms that obtain food by eating other organisms
animal that eats only dead organisms
an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients
the path of food from one living thing to another
The pattern of overlapping food chains in an ecosystem
non-living things in an ecosystem
Shows the amount of energy that moves from one feeding level to another in a food web
All organisms interact with other organisms in their surroundings and with the nonliving portion of their environment. Ecologists refer to this quality as....
A group of ecosystems classified by climate and plant life
Biome that surrounds the north and south poles; treeless land with long summer days and short periods of winter sunlight, beneath the topsoil is a layer of permafrost.
warm, wet ecosystem with millions of species of animals, birds, insects and plants
An extremely dry area with little water and few plants
a forest biome with many kinds of trees that lose their leaves each autumn
a type of forest characterized by cone-bearing, needle-leaved trees
open grassland with scattered trees
a large, level area of grassland with few or no trees
A large body of salt water
Fresh Water Biome
Includes ponds,lakes,streams,and rivers.
relationship in which two species live closely together
a relationship between two species in which both species benefit
the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
A relationship between two species in which one species benefits and the other is neither helped nor harmed
an organism that is killed and eaten by another organism
animal that hunts and eats other animals
plant eating animal
consumers that eat only animals
eats plants and animals
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