Biology:Community Ecology

Pioneer Species are the first species to colonize barren areas after a disturbance.

The number of individuals per unit area is a population's growth rate

Primary succession is rapid and secondary succession is slow

Primary Succession would most likely occur after _____

Earth has 3 main climate zones because of the difference in latitude and, thus,

Movement of animals into an area

An organism's niche is the way it obtains what it needs to survive and reproduce

Temperature is a density-dependent factor

Which landforms are not classified into a major biome

As resources in a population become less available, the population___________

The average conditions of the atmosphere in a particular area

which of the following is a biological aspect of an organism's niche?

The pattern of spacing between individuals across the range of a population is its

Competition is a Density -Dependent limiting fator

A human caused disturbance is forest clearing

Secondary succession begins on soil and primary begins on newly expose surfaces

What is a factor that could interrupt the progress of succession?

Weather is the area's day-today conditions and climate is the area's average conditions

Resource shortages triggered by increasing population size are density-independent factors

A wolf pack hunts, kills, and feeds on a moose. the wolves are____

Which 2 biomes have the least precipitation?

All of the following contribute to Earth's climate EXCEPT

A human caused disturbance is a hurricane

Polar bears live in the arctic. The arctic is their niche