Ecosystems and Interactions of Living Things

Science

Video Compilation: Ecosystems and Interactions of Living Things

adaptation

a trait that helps an organism survive in its environment

adaptation Simple Definition

community

populations that live in the same habitat

community Simple Definition

ecosystem

all the living and nonliving things interacting in an area

ecosystem Simple Definition

energy pyramid

the diagram of energy loss through a food chain

energy pyramid Simple Definition

food chain

the food energy transfer between organisms in an ecosystem

food chain Simple Definition

food web

a model of overlapping food chains in an ecosystem

food web Simple Definition

habitat

the place where an organism lives

habitat Simple Definition

niche

the role an animal or plant plays in its habitat

niche Simple Definition

photosynthesis

the process by which plants use sunlight, carbon dioxide, and water to make food

photosynthesis Simple Definition

population

all the organisms of the same species living in the same area

population Simple Definition

predator

an animal that hunts and eats other animals

predator Simple Definition

prey

an animal hunted and eaten by a predator

prey Simple Definition

succession

the gradual changes to communities in an ecosystem

succession Simple Definition

symbiosis

the close relationship between organisms of different species

symbiosis Simple Definition

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