Ecosystems & Environmental Change

4th Grade

species

a group of similar organisms that can reproduce together

ecosystem

all living and non-living things and all their interactions in an area

invasive species

an organism that is not native to an ecosystem and is likely to cause harm

habitat

the place where an animal or plant lives

environment

the surroundings where an organism lives (air, water, soil, weather, or other organisms)

perish

to die

survive

to stay alive

reproduce

to have offspring/babies

migrate

to move from one place to another

natural changes

floods, droughts, fires, storms, seasons changing

human caused changes

pollution, cutting down forests, building cities, climate change