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Vocabulary
Vocabulary too
Population Dynamics 1
Population Dynamics 2
Interactions in Communities
100
An organism that eats other animals.
What is predator
100
A symbiotic relationship in which both organisms benefit is called
What is mutualism
100
What two factors cause a population to grow?
What is immigration and birth
100
If more individuals are born in a population than die or emigrate, the population will
What is grow/increase
100
Predators eat
What is prey
200
This can happens when two or more individuals try to use the same limited resource.
What is competition
200
A symbiotic relationship in which one organism benefits while the other is unaffected is called
What is commensalism
200
What two factors cause a population to decrease?
What is death and emigration
200
Some birds warn other birds when predators are near. This type of interaction is called
What is cooperation
200
What type of symbiosis is it when tiny organisms live in human eyelashes and feed on dead skin, without harming humans
What is commensalism
300
The maximum number of individuals of one species that the environment can support.
What is carrying capacity
300
This occurs when individuals work together
What is cooperation
300

What are three environmental factors that influence population size?

What is food, water, space

300
A parasite gets nourishment from its
What is host
300
_____________ occurs when organisms fight for limited resources.
What is competition
400
Living and nonliving things in an environment that keep a population size at a level below its full potential are known as...
What is limiting factor
400
What is the term use when an individual joins a population?
What is immigration
400
What can happen to the size of a population if resources are destroyed
What is decrease
400
Organisms compete for resources such as
What is food, mates, shelter and water
400

The amount of organisms that are born is called the __________

What is birth rate.

500
A close long term relationship between different species in a community is known as
What is symbiosis
500

Intraspecific competition happens when ________,

What is individuals of the same species compete.

500
What do you call the living and nonliving parts of an environment?
What is biotic and abiotic factors
500

What happens to a population when has unlimited resourses?

What is increase

500

Interspecific competition happens when _________

What is individuals from different species compete