Unit 4 Science Fusion

Term Definition
ecosystem all of the living and nonliving things in an area and their interactions
community made up of all the organisms that live in the same place
population a group made up of the same type of individuals in the same ecosystem
habitat the physical part of the ecosystem that meets the needs of an organism
niche the role of an organism
producer any living thing that makes its own food
consumer an animal that eats plants or other animals to get energy
decomposer a living thing that breaks down wastes and the remains of plants and animals for energy
food chain the transfer of food energy in a sequence of living things
herbivore a consumer that eats only plants
carnivore a consumer that eats other animals
omnivore a consumer that eats BOTH plants and animals
food web shows the relationships among different food chains; uses arrows to show who eats what
natural resource materials found in nature that are used by living things
renewable resource natural resources that can be replaced
nonrenewable resource natural resources that AREN'T replaced easily
pollution happens when harmful substances mix with water, air, or soil
conservation use of less of something to make its supply last longer
endangered species organisms who whole population is at risk of dying out
predator an animal that hunts other animals
prey an animal that is hunted or eaten
green energy energy generated using renewable resources

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