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Energy and Ecosystem

Vocabuarly Words

autotroph organisms that convert sunlight into chemical energy using the process of photosynthesis
communities many different populations living together
consumers organisms that must eat other living things to obtain chemical energy
heterotroph organisms that cannot make their own food using sunlight
ecosystem many communities of living things and the physical environment
herbivores consumers that eat only plants
ecology the study of interactions between living things and their environment
biotic factors part of the ecosystem that is living or made from a living thing
carnivores organisms that eat only animals
populations members of the same species that live together
abiotic factors part of the ecosystem that is physical or chemical, but not living
predator carnivore that hunts and kills other animals
species individuals that can reproduce to make offspring that are fertile
biomes large regions of the earth that share similar climates and similar organisms
scavenger carnivores that eat dead animals
fertile capable of producing offspring
biosphere all parts of the earth that contain living organisms
omnivore heterotrophs that eat plants and animals
sterile unable to produce offspring
producers organisms that can make their own food, usually through photosynthesis
decomposers organisms that eat dead and decaying organic molecules and release inorganic molecules into the environment as a way to recycle matter
food web identifies the relationships among producers, consumers and decomposers carrying out either autotropic or heterotropic nutrition
food chain shows the transfer of energy from producers through a series of organisms