Ch 4 - Ecosystems & Communities

A symbiotic relationship where both species benefit is

Organisms within an ecosystem are ___ factors in that ecosystem

The loss of heat to space is slowed by 

The north polar zone lies above

An example of a microclimate is

No two species can occupy the same niche in the same habitat at the same time

Several species of warblers can live in the same spruce tree ONLY because they 

The average year after year conditions of temperature and precipitation in a particular region

Primary succession can begin after

Regrowth of grasses, ferns, wildflowers, and saplings after a forest fire is ____ succession

Earth has three main climate zones because of the differences in latitude and thus

The symbiotic relationship between a flower & insect that feeds on it's nectar is an example of

Each of the following is an abiotic factor in the environment EXCEPT

Average year after year conditions are to climate as day to day atmospheric conditions are to

The climate zone that receives the most direct sunlight throughout the year is the

During a temporary drought, a mountain lion may leave it's usual hunting spot to drink. Why?

What is a biotic factor that would determine the survival of a rabbit in a temperate forest

Over time, plants growing in an area are crowded out by other plants. Disappearances is due to

Climate conditions in a SMALL area that differs significantly from surrounding areas are called

Which is a BIOTIC factor that affects the size of a population in a specific ecosystem

A wolf pack hunts, kills and feeds on a moose. In this interaction the WOLVES are

All of the following factors contribute to Earth's climate except

Atmospheric gasses that trap heat inside Earth's atmosphere are called ___ gases.

A small park that is sunnier and windier than the climate of the surrounding areas has its own

The series of predictable changes that occurs in a community over time is called

What is the difference between primary and secondary succession?

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

An abiotic factor that is used to determine climate but NOT to categorize aquatic ecosystems is

Different species can share the same habitat, but competition among them is reduced IF they

A predator can increase the numbers of certain species in its habitat by

Which animal would be found in the biome that has cold to moderate winters, fertile soils

The greenhouse effect is 

Which biome is characterized by very low temperatures, little precipitation and permafrost

What is the pioneer species in primary succession

Which two biomes have the least amount of precipitation

An organism's niche is