Which option below best describes limiting factors?

Environmental factors that restrict the size of a population

Two organisms fighting for the same limited resources

A close relationship between two species where at least one benefits

Which option below best describes competition?

Two organisms fighting for the same limited resources

Environmental factors that restrict the size of a population

A close relationship between two species where at least one benefits

When your average body temperature INCREASES, how does your body maintain homeostasis?

By decreasing your breathing rate

When your average body temperature DECREASES, how does your body maintain homeostasis?

By decreasing your breathing rate

When you exercise, your body requires more oxygen. How does your body react to maintain homeostasis?

By increasing your heart rate & breathing rate

By decreasing your heart rate & breathing rate

Which of the following options show an ecosystem maintaining homeostasis?

A forest fire allows pine tree seeds to be released and grow into mature trees.

Yellowstone Park recovering after the reintroduction of wolves

Flash floods destroy local crops

A volcano erupts and destroys nearby plants and animal habitats

What would happen to the shrew and frog population if the cricket population DECREASED?

Their populations would decrease

Their populations would increase

Their populations would not be affected

Why would the frog and shew populations decrease?

Because their food source was not affected

What is one POSITIVE outcome in the food web if the cricket population decreased?

There would more cattails (a plant)

Their would be more grasshoppers

Deer are prey for wolves. What would happen if the WOLF population suddenly INCREASES?

The deer population would decrease

The deer population would stay the same

The deer population would increase

Deer are prey for wolves. What would happen if the DEER population suddenly INCREASES?

The wolf population would increase

The wolf population would stay the same

The wolf population would decrease

Why would the wolf population increase if the deer population also increased?

Because the wolves have more food

Because the wolves have less food

Because the wolves have the same amount of food

What would most likely happen to the coyote population if the wolf population decreased?

Their population would decrease because it would be harder for the coyotes to find food

Their population would increase because the coyotes have less predators

Their population size would be unaffected.

Which option below best describes invasive species?

A non-native species that spreads easily and harms native ecosystems

A species that normally lives and thrives in a particular area

A group of organisms that are closely related

Which option below best describes native species?

A species that normally lives and thrives in a particular area

A group of organisms that are closely related

A non-native species that spreads easily and harms native ecosystems

Why are invasive species harmful to ecosystems? Select ALL that apply.

Their populations increase (reproduce) rapidly

They don't have natural predators in their new environment

They over-eat the food supply of native species

They are not harmful to ecosystems.

Ecology Part 2 Review

Authored by Abigail Cody

Biology

6th Grade

30 Questions

NGSS covered

Used 84+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which option below best defines mutualism?

A symbiotic relationship where both species benefit

A symbiotic relationship where one species benefits and the other is harmed

A symbiotic relationship where one species benefits and the other is neither helped nor harmed

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which option below best defines commensalism?

A symbiotic relationship where both species benefit

A symbiotic relationship where one species benefits and the other is harmed

A symbiotic relationship where one species benefits and the other is neither helped nor harmed

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which option below best defines parasitism?

A symbiotic relationship where both species benefit

A symbiotic relationship where one species benefits and the other is harmed

A symbiotic relationship where one species benefits and the other is neither helped nor harmed

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This owl is taking shelter in the tree. What type of symbiosis is being shown?

Mutualism

Commensalism

Parasitism

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The bee gets food from the flower, and it also helps to pollinate the flower. What type of symbiosis is being shown?

Mutualism

Commensalism

Parasitism

Tags

NGSS.MS-LS2-2

NGSS.MS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A species of wasp likes to lay its eggs on the Tomato Hornworm. The wasp larvae grow by taking nutrients from the Hornworm. What type of symbiosis is being shown?

Mutualism

Parasitism

Commensalism

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of symbiosis occurs between humans and plants?

Mutualism

Commensalism

Parasitism

Tags

NGSS.MS-LS1-6

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Ecology Part 2 Review

Which option below best defines mutualism?

Which option below best defines commensalism?

Which option below best defines parasitism?

This owl is taking shelter in the tree. What type of symbiosis is being shown?

The bee gets food from the flower, and it also helps to pollinate the flower. What type of symbiosis is being shown?

A species of wasp likes to lay its eggs on the Tomato Hornworm. The wasp larvae grow by taking nutrients from the Hornworm. What type of symbiosis is being shown?

What type of symbiosis occurs between humans and plants?

Which of the following options are reactants/starting materials for photosynthesis?

Which of the following options are the end products of photosynthesis?

Which option below best describes limiting factors?

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