Ecosystems and Resources

Science

a nonliving part of the environment, like water, light or temperature
Watch abiotic factor Simple Definition
total mass of all living matter in a given area
Watch biomass Simple Definition
large areas with similar climates, plants, and animals, like a tundra, taiga or desert
Watch biome Simple Definition
a living factor in the environment, like plants or animals
Watch biotic factor Simple Definition
an animal that only eats other animals
Watch carnivore Simple Definition
the largest population that an environment can support
Watch carrying capacity Simple Definition
a shrubland with hot, dry summers and cool, wet winters, it is also known as Mediterranean shrubland
Watch chaparral Simple Definition
populations that live in the same habitat
Watch community Simple Definition
unlike a plant, cannot make its own food, instead it eats other living things
Watch consumer Simple Definition
an organism that breaks down dead organisms and waste, like fungi or bacteria
Watch decomposer Simple Definition
a biome with very little rainfall or plant life
Watch desert Simple Definition
all the living and nonliving things interacting in an area
Watch ecosystem Simple Definition
the diagram of energy loss through a food chain
Watch energy pyramid Simple Definition
an area where fresh river water mixes with salty ocean water
Watch estuary Simple Definition
the food energy transfer between organisms in an ecosystem
Watch food chain Simple Definition
a model of overlapping food chains in an ecosystem
Watch food web Simple Definition
the place where an organism lives
Watch habitat Simple Definition
an animal that eats only plants
Watch herbivore Simple Definition
can eat both plants and animals
Watch omnivore Simple Definition
the process by which plants use sunlight, carbon dioxide, and water to make food
Watch photosynthesis Simple Definition
the first species to populate an area
Watch pioneer species Simple Definition
all the organisms of the same species living in the same area
Watch population Simple Definition
an animal that hunts and eats other animals
Watch predator Simple Definition
an animal hunted and eaten by a predator
Watch prey Simple Definition
organism that can make its own food, like all plants
Watch producer Simple Definition
an organism that feeds on animals that are already dead
Watch scavenger Simple Definition
a treeless biome with long cold winters and short cool summers
Watch tundra Simple Definition
an area of land that is periodically underwater
Watch wetland Simple Definition

Related Chapters