Which ecosystem is most resilient to change due to its high diversity?(1 point)

Question

Responses

Amazon Rainforest
Amazon Rainforest

Stormwater pond
Stormwater pond

Mountain meadow
Mountain meadow

Arctic tundra
Arctic tundra
Question 2
Which ecosystem likely has the lowest species diversity? (1 point)
Responses

Coral reef
Coral reef

Grassland
Grassland

Tropical rainforest
Tropical rainforest

Desert
Desert
Question 3
What aspect of an organism makes it an invasive species? (1 point)
Responses

It is from a different ecosystem.
It is from a different ecosystem.

It is harmful to organisms in all ecosystems.
It is harmful to organisms in all ecosystems.

It has no predators in the new ecosystem.
It has no predators in the new ecosystem.

It does harm and is introduced to the ecosystem.
It does harm and is introduced to the ecosystem.
Question 4
The Kudzu vine was brought to the United States from Japan. Which of the following characteristics of the Kudzu vine determined that it was an invasive species? (1 point)
Responses

It protects vulnerable grounds against wind erosion
It protects vulnerable grounds against wind erosion

It was believed to be a "miracle plant"
It was believed to be a "miracle plant"

It grows rapidly, robbing other plants of sunlight
It grows rapidly, robbing other plants of sunlight

It has no economic benefit
It has no economic benefit
Question 5
Why are invasive species such a huge threat to ecosystems? (1 point)
Responses

Invasive species are impossible to control once they are introduced and spread rapidly.
Invasive species are impossible to control once they are introduced and spread rapidly.

Invasive species can do intense damage, so much so that ecosystems may not be able to recover.
Invasive species can do intense damage, so much so that ecosystems may not be able to recover.

Invasive species can replace native species, forcing their migration out of the area.
Invasive species can replace native species, forcing their migration out of the area.

Invasive species provide no added benefit or diversity to the ecosystem.
Invasive species provide no added benefit or diversity to the ecosystem.
Question 6
In coral reefs, how are algae and polyps related? (1 point)
Responses

he polyps receive carbon dioxide from the algae.
he polyps receive carbon dioxide from the algae.

The polyps get most of their food from the algae.
The polyps get most of their food from the algae.

The polyps embed themselves in the flesh of the algae.
The polyps embed themselves in the flesh of the algae.

The polyps receive shelter from the algae.
The polyps receive shelter from the algae.
Question 7
In coral, what happens to the algae when the temperature in the ocean becomes too hot? (1 point)
Responses

The algae are susceptible to infection.
The algae are susceptible to infection.

The algae thrive, providing benefits for coral.
The algae thrive, providing benefits for coral.

The algae become harmful to coral and are expelled.
The algae become harmful to coral and are expelled.

The algae become pale.
The algae become pale.
Question 8
Many animals influence and contribute to ecosystem services. As pollinators, how do bees ultimately contribute to direct ecosystem services? (1 point)
Responses

Bees pollinate plant species that produce food.
Bees pollinate plant species that produce food.

Bees pollinate plant species that produce oxygen that humans need.
Bees pollinate plant species that produce oxygen that humans need.

Bees pollinate plant species that contribute to the carbon cycle.
Bees pollinate plant species that contribute to the carbon cycle.

Bees pollinate plant species that humans admire in nature.
Bees pollinate plant species that humans admire in nature.
Question 9
Imagine that an ecosystem contains rabbits, foxes, wolves, and deer. The following predator-prey relationships exist:

Rabbits are eaten by foxes and wolves
Deer are eaten by wolves
Foxes are eaten by wolves
Select the animal whose absence would have the greatest negative effect on the ecosystem.

(1 point)
Responses

rabbit
rabbit

deer
deer

wolf
wolf

fox
fox
Question 10
In an ecosystem with low biodiversity, the removal of a species will (1 point)
Responses

disturb the ecosystem because another species will take its place.
disturb the ecosystem because another species will take its place.

disturb the ecosystem because another species will not be able to replace it.
disturb the ecosystem because another species will not be able to replace it.

not affect the ecosystem because another species will not be able to replace it.
not affect the ecosystem because another species will not be able to replace it.

not affect the ecosystem because another species will take its place.
not affect the ecosystem because another species will take its place.
Question 11
Biodiversity is measured by(1 point)
Responses

counting the total number of one species population and how they interact within an ecosystem.
counting the total number of one species population and how they interact within an ecosystem.

only analyzing animal species that interact within an ecosystem.
only analyzing animal species that interact within an ecosystem.

counting the number and variation of different species of plants, animals, and other organisms that interact within an ecosystem.
counting the number and variation of different species of plants, animals, and other organisms that interact within an ecosystem.

examining the usefulness of a specific trait in a species that interacts within an ecosystem.
examining the usefulness of a specific trait in a species that interacts within an ecosystem.
Question 12
Which statement best describes ecological health? (1 point)
Responses

Ecosystem biodiversity determines ecological health via the amounts of different organisms in the area.
Ecosystem biodiversity determines ecological health via the amounts of different organisms in the area.

Ecological health concerns the relationship between ecosystems and ecosystem services.
Ecological health concerns the relationship between ecosystems and ecosystem services.

Ecosystem biodiversity determines ecological health via the types of different organisms in the area.
Ecosystem biodiversity determines ecological health via the types of different organisms in the area.

Ecological health concerns the relationship among ecosystems, ecosystem services, and human health.
Ecological health concerns the relationship among ecosystems, ecosystem services, and human health.
Question 13
Which is an appropriate layering process for a compost pile? (1 point)
Responses

a layer of paper napkins, a layer of grass clippings, some soil, and some water.
a layer of paper napkins, a layer of grass clippings, some soil, and some water.

a layer of dried leaves, a layer of cheese, some soil, and some water.
a layer of dried leaves, a layer of cheese, some soil, and some water.

a layer of pine needles, a layer of paper napkins, some soil, and some water.
a layer of pine needles, a layer of paper napkins, some soil, and some water.

a layer of grass clippings, a layer of fruit scraps, some soil, and some water.
a layer of grass clippings, a layer of fruit scraps, some soil, and some water.
Question 14
Select the option that best represents recycling food waste. (1 point)
Responses

donating unused food to food pantries.
donating unused food to food pantries.

turning food scraps into biogas.
turning food scraps into biogas.

incinerating leftover food.
incinerating leftover food.

feeding scraps to livestock.
feeding scraps to livestock.
Question 15
How can we solve food insecurity while reducing food waste? (1 point)
Responses

don't throw scraps in the landfill
don't throw scraps in the landfill

purchase only as much food as you need
purchase only as much food as you need

donate unused food to food banks
donate unused food to food banks

inventory food supplies to avoid overbuying
inventory food supplies to avoid overbuying
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Answer 1

Here are the answers to the questions based on the information provided:

Question 1: Which ecosystem is most resilient to change due to its high diversity?

• Answer: Amazon Rainforest

Question 2: Which ecosystem likely has the lowest species diversity?

• Answer: Desert

Question 3: What aspect of an organism makes it an invasive species?

• Answer: It does harm and is introduced to the ecosystem.

Question 4: The Kudzu vine was brought to the United States from Japan. Which of the following characteristics of the Kudzu vine determined that it was an invasive species?

• Answer: It grows rapidly, robbing other plants of sunlight.

Question 5: Why are invasive species such a huge threat to ecosystems?

• Answer: Invasive species can do intense damage, so much so that ecosystems may not be able to recover.

Question 6: In coral reefs, how are algae and polyps related?

• Answer: The polyps get most of their food from the algae.

Question 7: In coral, what happens to the algae when the temperature in the ocean becomes too hot?

• Answer: The algae become harmful to coral and are expelled.

Question 8: Many animals influence and contribute to ecosystem services. As pollinators, how do bees ultimately contribute to direct ecosystem services?

• Answer: Bees pollinate plant species that produce food.

Question 9: Imagine that an ecosystem contains rabbits, foxes, wolves, and deer. Select the animal whose absence would have the greatest negative effect on the ecosystem.

• Answer: wolf

Question 10: In an ecosystem with low biodiversity, the removal of a species will

• Answer: disturb the ecosystem because another species will not be able to replace it.

Question 11: Biodiversity is measured by

• Answer: counting the number and variation of different species of plants, animals, and other organisms that interact within an ecosystem.

Question 12: Which statement best describes ecological health?

• Answer: Ecological health concerns the relationship among ecosystems, ecosystem services, and human health.

Question 13: Which is an appropriate layering process for a compost pile?

• Answer: a layer of grass clippings, a layer of fruit scraps, some soil, and some water.

Question 14: Select the option that best represents recycling food waste.

• Answer: turning food scraps into biogas.

Question 15: How can we solve food insecurity while reducing food waste?

• Answer: donate unused food to food banks.

Feel free to ask for more explanations or any other questions!