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Science Chapter 5

Where an organism lives, grows and develops Habitat
Close to becoming extinct Endangered Species
Long-lasting relationships between two different kinds of organisms Symbiosis
Can be caused by fossil fuels, driving cars or dumping trash Pollution
Hunt and eat other animals Predator
When all members of a species die out Extinction
Number of living things of a certain species in a given area Population
What an organism does in the place where it lives Niche
Helps an animal survive - for example: the flippers on a sea turtle Adaptation
Animals that are hunted and eaten by other animals Prey
Organisms that are not native to an ecosystem Alien Species
Organisms that are best suited to their environment survive and pass traits to their offspring Natural Selection
Organisms that use the energy and nutrients of other organisms to live Parasites
Organisms that are used by parasites Hosts
Living things must do this in response to changes in environment or resources Adapt, Move, or Perish
Earthworm's niche To aerate and give nutrients to the soil
Benefits of earthworms Healthy soil > healthy plants > better produce for consumers
Effects of draining a wetland Groundwater pollution, flooding, and survival of some populations is threatened
Created by: nvanest