Parasites and predators help maintain ecosystem stability because...

They decrease the population of certain organisms to ensure no species overpopulates

They increase the population of all organisms so ecosystems become diverse

They increase the survival of all species

What is the relationship between a keystone species and its ecosystem

A keystone species is essential to maintain balance and biodiversity in its ecosystem.

A keystone species is always the top predator in an ecosystem.

A keystone species provides energy to all other organisms in the ecosystem.

According to the graph , what is causing the deer population to decrease

The wolf population is decreasing

Predator population lags behind prey population because......

Increase in predators leads to decrease in prey

Increase in predators leads to increase in prey

Increase in predators leads to decrease in producers

Increase in producers leads to increase in prey

Based on the graph shown, what is the effect of removing a keystone species from an ecosystem?

biodiversity stays about the same

What is a tropic cascade?

an ecological process triggered by the removal or addition of a top predator that causes changes throughout the food chain.

an ecological process triggered by the removal or addition of a top predator that causes no changes throughout the food chain.

an ecological process triggered by the removal or addition of a vegetation that causes no changes throughout the food chain.

an ecological process triggered by the removal or addition of a primary consumer that causes changes throughout the food chain.

Which of the following is NOT true of the included graphs?

The reintroduction of wolves led to a decline in the bison population.

The reintroduction of wolves led to a decline in the beaver population.

The reintroduction of wolves led to an increase in the elk population.

The ecosystem was healthier after wolves were reintroduced.

How did the kelp forest ecosystem change after sea otters were removed?

sea urchin population increased

sea stars increased because there were more sea urchins to eat

the phytoplankton population decreased

in 1995 Wolves were reintroduced to Yellowstone National Park. Which answer below most accurately describes a possible trophic cascade the could result from the reintroduction of wolves?

wolves reintroduced-> deer population decreased -> tree and vegetation cover increased -> beaver population increased

wolves reintroduced-> deer population increased -> tree and vegetation cover decreased

wolves reintroduced-> beaver population decreased -> tree and vegetation cover increased

wolves reintroduced-> deer population decreased -> beaver population decreased -> songbird population increased

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

The bird population would decrease

The bird population would stay the same

The bird population would infinitely increase

What is natural selection and how does it lead to the evolution of species?

Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring. This leads to the evolution of species over time.

Natural selection is the process of humans selecting which organisms survive and reproduce, leading to the evolution of species.

Natural selection is the process of organisms adapting to their environment, but it does not lead to the evolution of species.

Natural selection is the process of organisms randomly changing over time, leading to the evolution of species.

Explain the concept of adaptation in the context of natural selection.

Adaptation is the process by which a species becomes better suited to its environment over time through natural selection.

Adaptation is the process by which a species becomes worse suited to its environment over time through natural selection.

Adaptation is the process by which a species remains unchanged in its environment over time through natural selection.

Adaptation is the process by which a species becomes better suited to its environment instantly through natural selection.

What are the different stages of ecological succession and how do they contribute to ecosystem development?

Primary succession and secondary succession contribute to ecosystem development by establishing a more complex and diverse community of organisms.

Secondary succession and tertiary succession contribute to ecosystem development by establishing a more simple and uniform community of organisms.

Primary succession and tertiary succession contribute to ecosystem development by establishing a more complex and diverse community of organisms.

Primary succession and secondary succession contribute to ecosystem development by causing a decline in the diversity of organisms.

Explain the concept of carrying capacity in population dynamics.

The maximum population size that an environment can sustain indefinitely.

The average population size of a species in a given area.

The minimum population size that an environment can sustain indefinitely.

The maximum number of individuals that can be added to a population.

How do predator-prey relationships impact ecosystem interactions?

Regulating the population of prey species and influencing the behavior and distribution of both predator and prey.

Leading to the extinction of both predator and prey species.

Having no impact on the ecosystem interactions.

Causing an increase in the number of predator species and a decrease in the number of prey species.

untitled

Quiz

•

Biology, Science

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS2-4, MS-LS2-2, MS-LS2-1

+9

Standards-aligned

Amber Brooks

Used 4+ times

FREE Resource

65 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All of the organisms of one species living in the same area.

Individual

Population

Community

Ecosystem

Tags

NGSS.MS-LS4-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In which type of interaction does one animal eat another for energy and nutrients?

Competition

Parasitism

Predation

Mutualism

Tags

NGSS.MS-LS2-3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails. Which interaction is this?

Parasitism

Mutualism

Commensalism

Competition

Tags

NGSS.MS-LS2-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ostriches and Gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see. What type of interaction is this?

Parasitism

Mutualism

Commensalism

Competition

Tags

NGSS.MS-LS2-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mistletoe extracts water and nutrients from the spruce tree to the trees detriment (causing harm). What type of interaction is this?

Parasitism

Competition

Commensalism

Mutualism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sloth's and monkeys share the same tropical habitat. Deforestation is occurring limiting the space for these 2 species. What will now occur between the 2 species?

Mutalism

Commensalism

Predation

Competition

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. This is an example of

commensalism

mutualism

parasitism

predation

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-2

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untitled

65 questions

All of the organisms of one species living in the same area.

In which type of interaction does one animal eat another for energy and nutrients?

Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails. Which interaction is this?

Ostriches and Gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see. What type of interaction is this?

Mistletoe extracts water and nutrients from the spruce tree to the trees detriment (causing harm). What type of interaction is this?

Sloth's and monkeys share the same tropical habitat. Deforestation is occurring limiting the space for these 2 species. What will now occur between the 2 species?

Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. This is an example of

Rabbits and deer eat lettuce leaves from a garden.
^{What ecological interaction describes the relationship between rabbits and deer?}

The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.

Which symbols best describe mutualism?

Access all questions and much more by creating a free account

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untitled

65 questions

All of the organisms of one species living in the same area.

In which type of interaction does one animal eat another for energy and nutrients?

Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails. Which interaction is this?

Ostriches and Gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see. What type of interaction is this?

Mistletoe extracts water and nutrients from the spruce tree to the trees detriment (causing harm). What type of interaction is this?

Sloth's and monkeys share the same tropical habitat. Deforestation is occurring limiting the space for these 2 species. What will now occur between the 2 species?

Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. This is an example of

Rabbits and deer eat lettuce leaves from a garden.What ecological interaction describes the relationship between rabbits and deer?

The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.

Which symbols best describe mutualism?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

Rabbits and deer eat lettuce leaves from a garden.
^{What ecological interaction describes the relationship between rabbits and deer?}