chapter 3 - the biosphere Flashcards
ecology
scientific study of interactions among organisms and between organisms and their environment
bioshpere
part of earth in which life exists including land, water, and air or atmosphere
species
a group of similar organisms that can breed and produce fertile offspring
population
group of individuals of the same species that live in the same area
community
assemblage of different populations that live together that live together in a defined area
ecosystem
all the organsims that live in a place, together with their nonliving environment
biome
a group of ecosystems that share similar climates and typical organisms
biotic factor
any living part of the environment with which an organism might interact
abiotic factor
physical or nonliving factor that shapes an ecosystem
weather
short term change in temperature, precipitation, clouds, and wind from day to day, or minute to minute
climate
patterns and averages of temperatures, precipitation, clouds and winds over many years
greenhouse effect
greenhouse gases, carbon dioxide methane, and water vapor, trap heat in the atmosphere
wetland
ecosystem in which water either covers the soil or is present at or near the surface for at least part of the year
estuary
kind of wetland formed where a river meets the ocean
marsh
A marsh is a wetland that is dominated by herbaceous rather than woody plant species. Marshes can often be found at the edges of lakes and streams, where they form a transition between the aquatic and terrestrial ecosystems. They are often dominated by grasses, rushes or reeds.