A group of one species in one area

Multiple species that live in one area

All of the living and nonliving things in an area

What is happening at the 'A' on the graph?

growth begins to slow down due to limited resources

the population overshoots above the carrying capacity

growth is speeding up due to an abundance of resources

Which will add more organisms to a population?

3 animals immigrate to the population

2 animals emmigrate from the population

Which of the following populations is most likely to go extinct?

a very small population in an unstable environment

a moderate-sized population of r strategists

a large population with lots of genetic variability

all would be equally likely to go extinct

Global warming is negatively affecting the polar bear's habitat in the arctic. What do you think will happen to the polar bear's population due to global warming?

The polar bear's population will decrease due to the destruction of their habitat.

The polar bear's population will decrease due to an increase in food supply

The polar bear's population will increase due to an increase in habitat

The polar bear's population will remain the same

Which of the following determines the carrying capacity of an ecosystem?

the most limited resources required for survival

the amount of disease affecting organisms in the ecosystem

the amount of rainfall the habitat receives

the number of predators in the area

When an environment has reached its carrying capacity for a certain population, which of the following is true?

immigration and birth rates are equal to emigration and immigration rates.

immigration and birth rates are higher than emigration and immigration rates.

immigration and birth rates are lower than emigration and immigration rates.

Using the graph above, what could have caused the wolf population to rise after the rabbits reached carrying capacity?

A new food source was introduced to the environment

Several wolves emigrated from the environment

There was a decrease in the rabbit population

A new rabbit predator was introduced to the environment

The Florida Panther is a large cat that is native to the southern parts of Florida. Recently, the panther's main food source, rabbits, have been infected with a deadly disease that only affects rabbits. How would this most likely affect the population of panthers in the coming years?

The panther population will decrease since they won't have access to as much food

The panther population will not be affected because they will adapt to eating other food

The panther population will increase because they will produce more offspring to make up the difference

The panther population will decrease because they will contract the disease.

Michael feeds his fish two teaspoons of fish food every day. Over a period of 4 months, the average population is 40 fish. She increases the amount of food to 2 teaspoons per day. After another 4 months, the population is now 65 fish. How is this possible?

The size of the tank was the limiting factor

Fish reproduce faster when they have more food

As long as Michael keeps giving them more food, the fish population will continue to get bigger

Sea turtles are marine reptiles. They rely on an external heat source, which makes them ectotherms. They are commonly found in waters off the Mid-Atlantic and Northeast United States during the summer and early fall. Typically, they begin to migrate south to warmer water by late October. However, some sea turtles strand along our shores when water temperatures drop rapidly or unexpectedly. This is called “cold stunning.” Cold stunning is similar to hypothermia in humans. Initial symptoms include a decreased heart rate, decreased circulation, and lethargy, followed by shock, pneumonia and possibly death. Based from this passage, why do sea turtles migrate?

Sea turtles migrate because they depend on external sources of heat to help maintain their body temperature.

Sea turtles migrate because their food source is more abundant in the south during the fall.

Sea turtles migrate because predators become more abundant in the Mid-Atlantic and Northeast of the U.S. during the summer and early fall.

Sea turtles migrate because humans are fishing more often in the areas where they are commonly found during summer and fall.

A student was studying how a change in abiotic factors can influence living organisms. She set up the experiment as follow: 1) Fill two glass fish tanks, labeled Tank A and Tank B, with 5 liters of water each. 2) Add a small fish and several plants to each tank. 3) Seal both tanks so that no air can leave or enter. 4) Place Tank A in a bright room and Tank B in a dark room. The student noticed after 45 hours, the fish in Tank B died while the fish in Tank A remained healthy. Based on the results of the experiment described above, what is the best explanation for why the fish in Tank A lived and the fish in Tank B died?

Fish died in Tank B due to lack of oxygen.

Fish died in Tank B due to a lack of carbon dioxide.

Fish died in Tank B because the tank was sealed.

Fish died in Tank B because the temperature was too low.

On remote islands, immigration and emigration usually do not have a large effect on population sizes. A bird population on a remote island remains at a relatively constant size year after year. Which of the following most likely describes the birthrate and the death rate for this population?

Birth rate and death rate are close to equal.

Birth rate and death rate are both zero.

Birth rate is significantly less than death rate.

Birth rate is significantly greater than death rate.

How does the predator-prey relationship affect a population?

The relationship controls the population size of both species.

The predators and prey are in competition with each other.

Usually either the predator or the prey will become extinct.

The predator species usually has exponential growth.

The common brushtail possum is a marsupial native to Australia. This possum was introduced to New Zealand where it had no natural predators and had an abundant food supply. Which of these likely occurred a few years after the introduction of this possum to New Zealand?

The possum population grew to a larger size.

The possums developed shorter life spans.

The possum population evolved into a different species.

Population Ecology

Quiz

•

Biology

•

10th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS2-4, MS-LS2-1, HS-LS2-6

+10

Standards-aligned

Erin Paterson

Used 96+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factor describes when populations increase because animals are moving into a population?

Emigration

Limiting Factors

Immigration

Exponential Growth

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factor describes when populations decrease because animals are moving out of a population?

Emigration

Limiting Factors

Immigration

Exponential Growth

Tags

NGSS.HS-LS2-6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the graph represent?

Emigration

Exponential growth

Immigration

Logistic Growth

Tags

NGSS.HS-LS2-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the graph represent?

Emigration

Exponential growth

Immigration

Logistic Growth

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Logistic growth has 3 phases. In Phase 1, the population grows rapidly. In Phase 2, population grows slowly. In Phase 3, growth stops. What causes growth to stop in the 3rd phase of logistic growth?

Emigration

Immigration

Exponential Growth

Carrying Capacity

Tags

NGSS.HS-LS2-1

NGSS.HS-LS2-6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: Limiting factors can be population dependent and population independent.

True/Cierto

False/Falso

Tags

NGSS.MS-LS2-4

7.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Which limiting factor would increase due to the number of individuals in a population?

Unusual weather

Natural disaster

Births

Disease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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Population Ecology

40 questions

What factor describes when populations increase because animals are moving into a population?

What factor describes when populations decrease because animals are moving out of a population?

What does the graph represent?

What does the graph represent?

Logistic growth has 3 phases. In Phase 1, the population grows rapidly. In Phase 2, population grows slowly. In Phase 3, growth stops. What causes growth to stop in the 3rd phase of logistic growth?

True or False: Limiting factors can be population dependent and population independent.

Which limiting factor would increase due to the number of individuals in a population?

Which limiting factor is independent of the number of individuals in a population?

What is the carrying capacity of the following graph?

What point on the graph represents the carrying capacity?

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