dr silver biology midterm 9th grade

Which would be least likely to be affected by a density-dependent limiting factor?

How do most primary producers make their own food?

the number of males and females of each age in a population

An organism's niche is

Which of the following tells you population density?

series of gradual changes that occur in a community following a disturbance

A symbiotic relationship in which both species benefit is

Each of the following is a density-dependent limiting factor EXCEPT

A math formula designed to predict population fluctuations in a community could be called a(n)

succession that occurs in an area where there is no trace of a previous community

The tendency for warm air to rise and cool air to sink results in

Which of the following descriptions about the organization of an ecosystem is correct?

Compared to land, the open oceans

Water lilies don't grow in desert sand bc water availability to these plants in a desert is

The green house effect is

What animals eat both producers and consumers?

Which of the following is NOT one of the factors that play a role in population growth rate?

A tropical rain forest may not return to its original climax community after which disturbance?

What does the range of a population tell you that density does not?

All the interconnected feeding relationships in an ecosystem make up a food

For most populations that r growing, as resources start to become less available the population

Which will reduce competition within a species’ population?

Primary succession would most likely occur after

growth pattern where a population's growth slows then stops after period of exponential growth

Which inquiry method is an ecologist use when periodically count population of a species?

What is one difference between primary and secondary succession?

Which factor might NOT contribute to an exponential growth rate in a given population?

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

How does an area’s weather differ from the area’s climate?

The lowest level of environmental complexity that includes living and nonliving factors is the

The movements of energy and nutrients through living systems are different because

type of succession that occurs in an area that was only partially destroyed by disturbances

A symbiotic relationship in which one organism is harmed and another benefits is

An interaction in which an animal feeds on plants is called

Which of the following is a biological aspect of an organism’s niche?

Carbon cycles through the biosphere in all of the following processes EXCEPT

Animals that get energy by eating carcasses of other animals that were killed/died are called

growth pattern where individuals in a population reproduce at a constant rate

Bird stalks, kills, & eats insect. Based on behavior, which 2 of ecological terms describe bird

The total amount of living tissue within a given trophic level is called the

The nutrient availability of aquatic ecosystems is the

The various growth phases through which most populations go are represented on

Which of the following is a density-independent limiting factor?

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