Biomes
Dominated by grasses and are mostly devoid of trees and shrubs
grasslands
defined by a low concentration of salt
freshwater
the sum of the surfaces, atmosphere and hydrosphere
biosphere
when one species kills another for food
predation
the process by which green plants and algae convert sunlight to sugar from carbon dioxide and water
photosynthesis
Found within a body of water
aquatic biomes
most diverse of all ecosystems and lacks a seasonal climate
tropical forest
groups of organisms of the same species occupying a particular space at the same time
population
the struggle between two organisms for the same resource, such as food, space, or mates
competition
eats only plants (herbivores)
primary consumer
Dominated by trees
forest
includes all of the deciduous and coniferous forests
temperate forest
the assemblage of the populations of flora and fauna in an area
community
two species both benefit from their ecological interaction.
mutualism
consumes both plants and animals
secondary consumers
Large, naturally occurring ecological levels occupying a major habitat
biomes
northernmost forests with seasonal climate including long winters and short summers.
taiga
includes all the biotic and abiotic factors in a certain area
ecosystem
one species benefits while the other is unaffected
commensalism
consumes dead and dying organisms
detritivores
dominated by aquatic vegetation and poorly draining soils.
wetlands
wetland dominated by emergent vegetation
marsh
these organisms create food for every living thing.
producers
when one organism gains benefits by getting food or shelter from another organism which is harmed in the process.
parasitism
how organisms match specific environmental conditions and respond to distribution of resources and competitors.
niche