Red
Orange
Yellow
Green
Blue
100
What is a habitat?
The place where an organism lives.
100
What is all the living and nonliving things in an area that interact with each other?
Ecosystem
100
What is prey?
A living thing that is hunted for food.
100
The study of interactions between living things and their environment.
ecology
100
An animal that eats both plants and animals.
omnivore
200
An animal that eats only producers.
herbivore
200
What is an endangered species?
A species that is in danger of becoming extinct.
200
What does extinct mean?
Died out completely.
200
What is a threatened species?
Species may become endangered.
200
The maximum population size that the resources in an area can support.
carrying capacity
300
Anything that controls the growth or survival of a population.
limiting factor
300
What is symbiosis?
A relationship between two kinds of organisms that last over a period of time.
300
What are three examples of symbiosis?
mutualism, parasitism, and commensalism
300
What are predators?
Living things that hunt other living things for food.
300
What relationship does a food web show?
The relationship between all of the species in a community. How populations compete for food.
400
What does a food chain show?
Shows the path the energy takes from producers to consumers to decomposers.
400
The role of an organism in the community.
niche
400
All the organisms of a species living in the same area make up a __________.
population
400
All the populations living in an area make up a __________.
community
400
What happens to animals when habitats change?
Animals find new habitats or find ways to adapt to their habitat in times of change.
500
What are the parts of a food web?
producers, plant eaters, meat eaters, and decomposers
500
What is mutualism?
When a relationship between two kinds of organisms benefits both of them.
500
What are some things we can do to conserve the environment?
saving energy and practicing the three Rs of conservation: reduce, reuse, and recycle.
500
What is commensalism?
A form of symbiosis where one organism benefits while the other is neither helped nor harmed.
500
What is parasitism?
One organism lives on or in another organism and may harm that organism.
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