The term for species that occupy similar niches in different geographical regions.
What is ecological equivalents.
100
Barnacles that live on whales benefit by being transported to food sources. The whales are not affected. What kind of relationship is this?
What is commensalism.
100
What is an advantage of clumped dispersion for an organism?
What is protection from predators.
100
Which factor causes a population to increase in size?
What are immigration or births.
100
A forest fire leads to what type of succession?
What is secondary succession.
200
Which of the following things is not part of an organism's niche: food, behavior, population size, or abiotic factors?
What is population size.
200
Bacteria living on the roots of some plants convert nitrogen gas to a form the plant can use. The bacteria get food from the plant. What kind of relationship is this?
What is mutualism.
200
What form of population dispersal is usually seen in territorial organisms?
What is uniform.
200
Which type of growth occurs when a population has unlimited resources and no predators?
What is exponential curve.
200
What does primary succession begin with (before plant life)?
What is rock.
300
The term that explains that species can naturally divide different resources based on competitive advantages.
What is niche partitioning.
300
Two male lions fight for the same female. What kind of competition is this?
What is intraspecific competition.
300
Which survivorship curve represents a species that doesn't care for its young, which have a high infant mortality rate?
What is Type III.
300
What is the scientific name for the S-shaped curve?
What is logistic growth.
300
What is the name for the first organisms that live in a previously uninhabited area?
What is a pioneer species.
400
The principle that states that when two species are competing for the same resources, one species will be better suite and the other will be pushed into another niche or become extinct.
What is competitive exclusion.
400
The process by which one organism captures and feeds on another.
What is predation.
400
What shows the number of surviving members in a population over time?
What is a survivorship curve.
400
Name three density-dependent limiting factors.
What are predation, competition, parasitism, and disease.
400
What is the name of the ideal community in an area?
What is a climax community.
500
Using two key words, explain the difference between a habitat and a niche.
What is how (niche) and where (habitat).
500
A close ecological relationship between two or more organisms of different species that live in direct contact with one another.
What is a symbiotic relationship.
500
What is the formula for population density?
What is # of individuals/area.
500
Name three density-independent limiting factors.
What are unusual weather, natural disasters, and human activities.
500
Put the following terms in order from start to finish to describe primary succession:
-shrubs
-small trees
-lichens
-forest