17 terms

JPFlash Science - Ecosystems word list 1

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species
A group of living things that share genetic and physical
characteristics and can mate with one another to produce
young
extinct species
A species that has died out and has no living members.
primary consumer
An animal that feeds on producers (usually plants) in a food
chain.
secondary consumer
An animal that feeds on primary consumers in a food chain.
decomposers
Worms, bacteria, and other creatures that break down the
bodies of dead plants and animals to create nutrients in soil
and water.
food web
A network of food chains that overlap and connect.
community
All the living things that live together and interact with each
other in a certain area.
habitat
A physical place where a living thing
ecosystem
A community of living things interacting with each other
and with their physical environment in a certain area.
niche
A special role that a species plays in an ecosystem.
keystone species
A species that performs a role that helps many other living
things in its ecosystem.
food chain
The order in which animals eat plants and other animals.
Each living thing is like a link in the chain.
producer
A living thing that can use sunlight and nutrients from soil
and water to produce its own food. Plants are producers.
population
The number of members of a species that live in a certain
area at the same time.
predator
An animal that hunts and eats other animals for food.
prey
An animal that is hunted and eaten by another animal for
food.
endangered species
A species that is in danger of becoming extinct soon