All of the following statements concerning characteristics of predator-prey relationship are correct EXCEPT:

The population of predators most often eliminates the population of prey

Camouflage is an adaptation that protects prey.

A rise in the population of predators is followed by a decreased in the population of prey.

A rise in the population of prey is often followed by a rise in the population of predators.

Which of the following best explains why there are seldom more than five trophic levels in a food chain?

Energy is lost from each trophic level

Most carnivores function at more than one trophic level

Trophic levels about this numbers contain too many individuals

The ecosystem contains too much biomass

Refer to the diagram of the survivorship curve. Which curve best describes an organism that invests a lot of energy in parenting?

this is not a survivorship curve

Which of the following correctly describes the interactions between T. castaneum and the parasite.

The parasite decreases the population density of beetles in each culture dish.

The parasite increases the population density of beetles in each culture dish.

The parasite has no effect on the population density of the beetles.

What is the rate of change for the population grown without a parasite from day 200 to day 400?

a loss of approximately 30 beetles/200 days

a loss of approximately 15 beetles/200 days

How do matter and energy flow differently?

Energy flows in one direction, matter is recycled

Matter flows in one direction, Energy is recycled

Energy and Matter are both recycled

Energy and Matter both flow in one direction

A team of ecologists observed feeding patterns of several populations in the desert. The energy pyramid shown below depicts the feeding patterns the ecologists observed. Which of the following best explains the difference in the amount of available energy in the trophic levels of the desert ecosystem?

There is less available energy in the fourth trophic level because of the loss of energy through metabolism in each of the lower trophic levels.

There is less energy available in the producers because their tissues are less dense than those at higher trophic levels.

There is more energy available in the second trophic level because less energy is needed for hunting compared to the higher trophic levels.

There is more available energy in the birds of prey because they have greater muscle mass for storing energy than organisms in lower trophic levels have.

A team of ecologists observed feeding patterns of several populations in the desert. The energy pyramid shown below depicts the feeding patterns the ecologists observed. Which of the following best explains the difference in the amount of available energy in the trophic levels of the desert ecosystem?

There is less available energy in the fourth trophic level because of the loss of energy through metabolism in each of the lower trophic levels.

There is less energy available in the producers because their tissues are less dense than those at higher trophic levels.

There is more energy available in the second trophic level because less energy is needed for hunting compared to the higher trophic levels.

There is more available energy in the birds of prey because they have greater muscle mass for storing energy than organisms in lower trophic levels have.

A team of ecologists observed feeding patterns of several populations in the desert. The energy pyramid shown below depicts the feeding patterns the ecologists observed. Which of the following best explains the difference in the amount of available energy in the trophic levels of the desert ecosystem?

There is less available energy in the fourth trophic level because of the loss of energy through metabolism in each of the lower trophic levels.

There is less energy available in the producers because their tissues are less dense than those at higher trophic levels.

There is more energy available in the second trophic level because less energy is needed for hunting compared to the higher trophic levels.

There is more available energy in the birds of prey because they have greater muscle mass for storing energy than organisms in lower trophic levels have.

Species richness is measure of the number of different species living in an ecosystem. Which of the following would be indicated by species richness?

level of productivity exhibited within the ecosystem

In most ecosystems, net primary productivity is important because it represents the

Energy available for trophic levels above producers

Energy used in respiration by herbivores

Total solar energy converted to chemical energy by producers

What is the most important function of pioneer species?

To create soil and add nutrients

Facilitation of the water cycle

What effect will an invasive species have on the carrying capacity of an ecosystem?

The carrying capacity will only decrease for those in competition for same resource

The carrying capacity will increase

The carrying capacity for everyone will decrease

The carrying capacity for all animals will stay the same

Kudzu has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:

Competition occurring between the native and invasive species

Parasitism between kudzu and the native plants

A predator prey relationship between ground plants and kudzu

Commesalism occurring between the kudzo and native plants

show a decline after an increase

display populations that have reached carrying capacity

does not depend on the numbe rof resources

This population pyramid shows that

the Ukraine population is in a stable and steady state

the Ukraine population is in a rapid decline

the Ukraine population is in a rapid increase

men outlive women in the Ukraine

Which of the following best explains why there are seldom more than five trophic levels in a food chain?

Energy is lost from each trophic level

Most carnivores function at more than one trophic level

Trophic levels about this numbers contain too many individuals

The ecosystem contains too much biomass

Which is not correct about the aquatic biome?

it is characterized by the types of mammals and fish that live in it

it covers about 75% of the earth

it is characterized by how much salt is present in the water

estuaries are located at the mouth of rivers where salt and fresh water mix

WHICH IS CORRECT ABOUT PESTICIDES THAT IS SPRAYED ON A LARGE AREA OF LAND

IT WILL ACCUMULATE IN THE BODIES OF THE TOP PREDATORS

IT WILL ACCUMULATE AT THE PRODUCER LEVEL

IT WILL ACCUMULATE AT THE PRIMARY CONSUMER LEVEL

IT IS GREATEST AT THE LEVEL IT IS SPRAYED ON

AP Biology Unit 8: Ecology

Authored by Jennifer Duell

Biology

10th - 12th Grade

NGSS covered

Used 1K+ times

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66 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A herd of zebras would be considered a

community

species

ecosystem

population

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two organisms of different species exist in a relationship in which each individual benefits from the activity of the other:

commensalism

parasitism

herbivory

mutualism

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All of the following are density-dependent factors that limit animal populations EXCEPT.

weather

predation

food competition

birthrate

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a primary consumer in this food web?

Foxes

Carrots

Mice

Owls

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organism contains the most energy?

Rabbit

Grains

Birds

Mice

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which point on the graph represents carrying capacity?

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is only 10% of the energy passed along to the next trophic level?

90% is lost through heat, reproduction, and movement

90% is gained

90% is lost in light energy

because only 10% is lost

Tags

NGSS.HS-LS2-4

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AP Biology Unit 8: Ecology

A herd of zebras would be considered a

Two organisms of different species exist in a relationship in which each individual benefits from the activity of the other:

All of the following are density-dependent factors that limit animal populations EXCEPT.

Which of the following is a primary consumer in this food web?

Which organism contains the most energy?

Which point on the graph represents carrying capacity?

Why is only 10% of the energy passed along to the next trophic level?

All of the following statements concerning characteristics of predator-prey relationship are correct EXCEPT:

Which of the following best explains why there are seldom more than five trophic levels in a food chain?

Which of the following represents the combination of all relevant environmental variables in which a species or population lives?

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