What is Habitat Fragmentation?

Habitat fragmentation is the division of large habitats into smaller, isolated patches.

Habitat fragmentation refers to the migration of species to new areas.

Habitat fragmentation is the process of increasing habitat size.

Habitat fragmentation is the unification of different ecosystems into one.

How does pollution affect aquatic species?

Pollution negatively impacts aquatic species by harming their health, reducing populations, and disrupting ecosystems.

Pollution improves aquatic species' health and increases populations.

Pollution has no effect on aquatic ecosystems or species.

Pollution only affects terrestrial species, not aquatic ones.

How does climate change affect biodiversity?

Climate change negatively impacts biodiversity by altering ecosystems, leading to species loss and habitat destruction.

Climate change enhances biodiversity by creating new habitats.

Climate change has no effect on biodiversity or ecosystems.

Climate change only affects human populations, not wildlife.

An endangered species is

One whose numbers are so small that it is at risk of extinction

One whose not been spotted after many years.

One whose numbers are abundant.

What is deforestation?

Clearing Earth's forests on a massive scale

Going to a forest and pulling weeds

Clearing the five trees in my backyard

Which of the following best describes how human activity can impact biodiversity?

It can lead to environmental changes that reduce biodiversity.

It increases the number of species on Earth.

It has no effect on extinction rates.

It prevents all extinctions from occurring.

What is the main risk faced by endangered species?

They have a very high risk of extinction in the near future.

They are likely to become extinct unless survival rates improve.

They are not affected by environmental changes.

Which of the following are considered threatened species?

Both endangered and vulnerable species

How does habitat fragmentation affect genetic diversity in populations?

It decreases genetic diversity by isolating populations.

It increases genetic diversity by mixing populations.

It has no effect on genetic diversity.

It causes populations to adapt more quickly.

Which of the following statements about keystone species and habitat disruption are correct?

Keystone species play a critical role in ecosystem function and stability.

Any change in a population of keystone species affects the entire ecosystem.

Habitat disruption always destroys biodiversity completely.

Biodiversity is not affected by habitat disruption.

Which of the following is a possible impact of invasive species on biodiversity?

They disrupt the flow of matter and energy in ecosystems.

They increase the number of native species.

They always decrease pollution.

They prevent habitat destruction.

What is one way a growing human population can impact biodiversity?

By increasing pollutants and waste products

By decreasing the need for resources

By reducing the use of land for agriculture

By minimizing threats to biodiversity

Which of the following best describes biomagnification?

The increase in toxic substances as trophic levels increase in a food chain.

The process by which plants absorb sunlight for photosynthesis.

The reduction of pollutants in the environment through natural processes.

The movement of water through the food web.

Which of the following are effects of acid precipitation on ecosystems?

Damages plant tissues and slows plant growth.

Increases the acidity of aquatic habitats, harming fish and eggs.

Reduces the amount of sunlight reaching aquatic plants.

Causes algal blooms in aquatic systems.

What is overexploitation?

The excessive use of species that have economic value.

The use of natural resources at a sustainable rate.

The process of recycling waste materials.

The introduction of invasive species into new habitats.

Chapter 5 Lesson 2 - Threats to Biodiversity Lesson

73 questions

Show all answers

1.

SLIDE QUESTION

30 sec • Ungraded

2.

OPEN ENDED QUESTION

3 mins • 1 pt

What are some factors that threaten Earth’s biodiversity?

Evaluate responses using AI:

OFF

Tags

NGSS.MS-LS2-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Biodiversity refers to

extinct species

the variety of species on Earth

nonrenewable resources

the rate of species decline

Tags

NGSS.MS-LS2-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. What makes a species invasive?

Moving to a new ecosystem and taking resources from natives

Not having papers

Species that can't adapt

Plants that take up too much space

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The loss of a natural habitat is called?

Habitat development

biodiversity

Pollution

Habitat destruction

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When human-made chemicals and garbage find their way into nature and harm the air, soil, and water it is called

pollution

habitat destruction

overexploitation

climate change

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does habitat fragmentation reduce genetic diversity in species?

Habitat fragmentation makes nonnative species introduction possible.

Habitat fragmentation opens migration routes.

Habitat fragmentation isolates a large population into smaller groups.

Habitat fragementation encourages open gene flow.

Tags

NGSS.MS-LS4-4

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Chapter 5 Lesson 2 - Threats to Biodiversity

73 questions

What are some factors that threaten Earth’s biodiversity?

Biodiversity refers to

1. What makes a species invasive?

The loss of a natural habitat is called?

When human-made chemicals and garbage find their way into nature and harm the air, soil, and water it is called

How does habitat fragmentation reduce genetic diversity in species?

What is the practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population called?

Fishing tuna at a rate of more than they can replace themselves is known as?

An endangered species is

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