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Unit 4 Living Things

and Their Environment

extinction The disappearance of an entire species of organisms.
environment All of the living and non living things that surround you.
adaptation A characteristic that helps an organism survive its environment.
secondary succession A gradual build up of organisms in an environment that has soil.
Succession is a cause of change in environments
A sloth's long claws are adapted for clinging onto tree branches.
Drought conditions are caused by dry conditions
Extinction can be caused by a lack of food available to organisms.
Conservation means protecting ecosystems and the organisms living in them.
A bird's beak enables the bird to survive in its environment because the beak is adapted to allow the bird to eat.
Water becomes a gas above 100 degrees Celsius.
instinct A behavior that an animal is born with.
physical adaptation An adaptation to a body part.
succession The gradual changes of organisms is an ecosystem.
precipitation Water that falls from clouds to Earth's surface.
evaporation The process by which a liquid changes into a gas.
invasive species Any non native plant or animal that takes over an environment.
behavioral adaptation Something an organism does to help it survive.
primary succession A gradual build up of organisms in an environment that consists of bare rock.
erosion The process of moving weathered rock and sediment from one place to another.
Created by: twaltner