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Populations Test

Last updated almost 8 years ago
45 questions
Note from the author:
Population Ecology
1

If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

1

If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?

1

What growth pattern describes a population who's growth rate slows or stops following a period of exponential growth?

1

What type of growth is shown in the diagram? "look on board"

1

Largest number of individuals of a population that the enviroment can support....

1

Which type of growth is best illustated by this rabbit population? "look on board"

1

What is the carrying capacity for this sheep population? "look on board"

1

What point on the graph represents the carrying capacity? "look on board"

1

When a population grows past the ecosystem's carrying capacity, what happens to the population?

1

Food, water, sunlight, shelter, and space are resources that are often________.

1

If there is less food than usual in an ecosystem, then the population will most likley....

1

Anything or organism that regulates the size of a population of another organism is known as ______?

1

In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?

1

Will competition increase/decrease the carrying capacity of an ecosystem for the animal in competition?

1

Natural disaster can be considered limiting factors

1

Natural disasters and weather patterns like earthquakes, floods, and tornadoes, blizzards, and heatwaves are considered ______ ______ limiting factors

1

Competition, disease, predation, and parasitism are considered _____ _____ limiting factors

1

Density-dependent limiting factors have a(n) _________ affect on populations depending on the density of the population.

1

Density-independent limiting factors have a(n) ________ affect on poulations regardless of population density.

1

Exponetial growth is representative of a population in a enviroment with _______ recources.

1

Logisitc growth is representative of a population in an envirement with _______ recources.

1

A factor that is NOT one of the factors of population growth rate is:

1

There are 2000 Hydrilla verticilla species per square kilometer in a certain area of a body of water. To which population characteric does this information refer?

1

What does the population density tell you that population distribution does not?

1

A small farming community in Florida covers 17 square kilometers. There are 680 individuals who live within the town limits. What is the population density of this community?

1

Organisms moving into an area from another area , is called

1

If organisms move out of an area, this is known as

1

In a population that grows, what is happening?

1

In a population that decreases the following is happening :

1

The phases that most populations go through are represented on a(an)

1

When resources in a population become less available, the population growth

1

As the exponential phase of a logistic growth curve of a population stops,

1

What levels of ecological organization have only biotic factors?

1

What ecological organization have both biotic and abiotic factors?

1

All the members of the same species living in the same area at the same time is called?

1

Would all the alligators, frogs, plants, algae, fish, bacteria, etc. living in the St. Johns River be >>>>>

1

This number represents the number of individuals within a population per unit? Calculated by dividing the number of individuals per area.

1

What describes how organisms are arranged within an area?

1

What will happen to a population that has mostly old individuals?

1

What is the most common population distribution?

1

Calulate the population growth of frogs; with a natality rate of 20, mortality rate of 30, immigration rate of 5, and emigration rate of 10?

1

What type of curve is logistic population growth?

1

What type of curve is expontential population growth?

1

Factors that limit the population from growing is ?

1

The largest population size an environment can sustain is called?