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Populations
Changing Populations
Communities
Vocabulary
Vocabulary
100
This organism gets its energy from the sun.
What is a producer?
100
Different species in an area at the same time.
What is a community?
100
A relationship where two species exchange energy or food.
What is a symbiotic relationship?
100
Organisms that get their energy by eating other consumers.
What is a carnivore?
100
A way of showing how energy moves through a community.
What is a food chain?
200
Consists of the parts of Earth and it's atmosphere where there is life.
What is the biosphere
200
Includes living and nonliving things.
What is an ecosystem?
200
The number of offspring produced in a given time period.
What is birthrate?
200
Get their energy by eating producers and consumers.
What is an omnivore?
200
A species at risk but not yet endangered.
What is a threatened species?
300
The members of a species in an area at the same time.
What is a population?
300
The demand for resources, such as food, water, and shelter.
What is competition?
300
A species that is at risk of becoming extinct.
What is an endangered species?
300
Get energy by eating dead organisms or parts of dead organisms?
What is a detritivore?
300
The number of individuals in an area of a specific size.
What is population density?
400
Organisms with similar traits that produce fertile offspring.
What is a species?
400
The largest number of offspring that can be produced when there are no limiting factors present.
What is biotic potential?
400
The result of the birthrate being higher than the deathrate.
What a population increase?
400

A relationship where members of a population work together.

What is a cooperative relationship?

400

The largest number of individuals of one species that an ecosystem can support over time.

What is the carrying capacity?

500
Anything that restricts the size of a population.
What is a limiting factor?
500
The result of a population exceeding its carrying capacity.
What is overpopulation?
500
A place that provides all the resources an organism needs to survive.
What is a habitat?
500
One animal is hunted and then eaten.
What is a predator-prey relationship.
500

The possible growth of a population when there is perfect conditions with no limiting factors.

What is biotic potential?