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Ecosystems Vocab5th

Ecosystems Vocabulary Study Guide

photosynthesis process by which green plants and blue-green algae, in the presence of light, make food out of carbon dioxide and water
consumer consumer an organism in a community that must eat to get the energy it needs because it cannot make its own food
food chain the ways in which the organisms in an ecosystem interact with one another according to what they eat
aquatic living in water
population all the individuals of the same kind living in the same environment
pollution waste products that damage an ecosystem
water pollution conditions that exist when harmful materials have entered the water and made it harmful to organisms
terrestrial of or related to the land
producer an organism that makes its own food (through photosynthesis)
scavenger an organism that eats dead or decaying matter
organism a living thing
ecosystem a community and its physical environment together
individual a single organism in an environment
pollutant anything that spreads harmful or unpleasant substances into the air, water, or ground
ecology the science concerned with the relationships among living things and their environment
respiration the process by which an organism takes in and processes oxygen and releases carbon dioxide
community all the populations of organisms living together in an environment
habitat a place in an ecosystem where a population lives
decomposer consumer that breaks down the tissues of dead organisms
fossil fuel a fuel formed from the remains of once-living organisms
food web shows the interactions among many different food chains in a single ecosystem
acid rain precipitation resulting from pollution condensing into clouds and falling to Earth
environment everything that surrounds an organism and influences it
decay the process where bacteria and other decomposers break down dead things
biome large ecosystem with its own climate, soil, plants and animals--found in different parts of the world (six major ones)
adapt change; to change in order to fit a new situation or use
niche the role each population has in its habitat
herbivore an animal that eats only plants
carnivore an animal that eats meat (other animals)
omnivore an organism that eats both plants and meat
tropical rain forest warm all year, very wet (rains almost every day); has a wide variety of plant and animal species; found near the equator
tundra long cold winters, short cool summers; little precipitation (dry); treeless; found in polar regions; little variety of plant and animal life
desert can be hot or cold (depending on location); very dry
temperate forest moderate temperature and rainfall; four different seasons of weather; also called deciduous forest
taiga long, cold winters, and short, mild, wet summers; may also called coniferous forest
grasslands hot summers, cold winters; light precipitation; may also be called prairies; mostly grasses grow with few trees
Created by: study123kids