Unit 7 Review

Posljednje ažuriranje about 2 years ago

33 questions

5.9.C

Unit 7 Review

Posljednje ažuriranje about 2 years ago

33 questions

Drugi mogući odgovor:

Habitat

Dependent

Ecosystem

Consumer

Decomposer

5.9.C

Drugi mogući odgovor:

Food web

Overpopulation

Food chain

Producer

Photosynthesis

5.9.C

Select the three things that environments provide to animals and plants.

5.9.C

When beavers construct their dams, there are helpful effects and harmful effects to the habitat. Sort these effects as either helpful or harmful.

Life downstream of the pond will suffer due to the decreased water flow in the stream caused by the dam.
Aquatic species such as fish, turtles, and frogs will benefit from increased amounts of water.

Helpful Effects
Harmful Effects

5.9.C

Think of a prairie habitat with buffalo, deer, wolves, rabbits, and lots of grasses. What might happen in the ecosystem if the wolves were trapped and removed? Select all that are true.

The number of rabbits would decrease

The amount of grass would decrease

The number of rabbits would increase

The amount of grass would increase

The number of deer would decrease

The number of deer would increase

5.9.C

If humans over-hunted a population of insect-eating birds, what immediate change would happen?

Increased seedling germination

Increased populations of insects

Severe loss of vegetation

Migration of small mammals

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If humans cleared a forest and built homes , which of the following would happen to the forest?

More development of soil

More frequent thunderstorms

Fewer tree-dwelling animals

Increased insect populations

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A factory polluted the water supply in an area, what change can be observed in that ecosystem?

More birds nesting in trees

New insects moving into the region

Local trees growing taller

Fewer pond plants and animals

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What is a negative result from bringing pigs to the Hawaiian rainforest ecosystem?

Fewer plants to hold soil in place

More plant vegetation for animals to eat

Increased destruction by volcanoes

More kinds of insect species

5.9.C

How could beavers building a dam cause an increase in fish population? The dam -

forces many birds to leave the ecosystem

blocks a river and creates a large lake

causes predators to hunt more fish

removes trees from around the river

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How might removing the alligators from a swamp habitat create a decrease in vegetation?

The plants in the swamp would get more sunlight.

Plants would not be able to spread their seeds.

More plant-eating animals would survive.

Meat-eating animals would begin eating plants.

5.9.C

A highway is built through a forest. How will this affect the organisms in the area?

Eliminate all species of plants found in the forest

Raise the birth rate of animals on the forest floor

Increase the number of bird species in the forest

Make it difficult for animals to move through the forest

5.9.C

Scientists found that raccoon populations increased where houses were built. Why is this?

The people brought many predators to the habitat

Raccoons lost their natural source of water

Building houses destroyed the raccoons’ habitat

Raccoons found more food living near people

5.9.C

Sort the items on the left to the matching definition on the right.

Community
Invasive
Environment
Extinction

A nonnative animal that moves into a new place
The space, condition, living and non-living things around an organism
A species or group of animals that disappear and are no longer found
Groups of plants and animals that live in the same area and interact with each other

5.9.C

Sort the items on the left to the matching definition on the right.

Consumer
Producer
Omnivore

An animal that eats both plants and animals
A plant that makes its own energy
Animals that do NOT make their own energy

5.9.C

Select all three of the following effects of deforestation in the Amazon Rain Forest.

Bird and animal populations will decrease.

Less oxygen will be produced.

Soil will be eroded.

ore rainfall will occur.

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Select all three effects of overgrazing.

Wind and water erode the soil.

Fertile land can turn into desert.

Animals consume producers faster than they can reproduce.

The ecosystem stays healthy and balanced.

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Each of the following can result in reduction or contamination of aquifers except -

Pollution in water run-off.

Pumping of water for irrigating crop fields.

Swimming, fishing, and snorkeling.

Lower average precipitation across 5 years.

5.9.C

Overpopulation occurs when there are more organisms than environments can sustain. This -

impacts evaporation, condensation, and precipitation.

destroys the country of Canada.

causes a disruption to the food chain.

causes severe traffic jams to watering holes

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Human interaction such as building roads, homes, and fences causes which of the following?
Select ALL that are true.

severely change/disrupt food webs.

allow animals to thrive since humans will care for them.

create new habitats for the plants and animals there.

keep animals from safely traveling through the environment.

5.9.C

If all producers (plants) are removed from an environment what will be a logical result?

Animal populations will decrease.

Animal populations will thrive.

Animal populations will increase.

Animal populations will stay the same.

5.9.C

What is the effect of a new, stronger plant to an environment?

The native, slower growing plants will increase.

The native, slower growing plants will migrate away.

The native, slower growing plants will stay the same.

The native, slower growing plants will decrease.

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What happens when a new consumer is introduced into an environment?

The new consumer competes for food with the old consumers.

Producer populations will decrease due to overgrazing

The new consumer eats something that old consumers don't.

More producers start growing to keep up with demand.

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What happens as humans destroy animals' environments?

Animals build space ships and move to Mars.

Animals populations decrease.

Animal population stay the same.

Animal populations increase.

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Select all THREE of the following ways that humans negatively impact the environment.

Pollution, deforestation, and overgrazing.

Building roads, houses, and buildings.

Planting new trees and protecting land in natural parks.

Destroying the natural habitats of plants and animals.

5.9.C

Woodpeckers are native to Texas. Select all THREE of the negative impacts for Woodpeckers.

Competition with other woodpeckers due to fewer food sources

Losing food sources due to deforestation

An increase in tree-based insects.

Losing their forest habitat to deforestation

5.9.C

When human interaction in an environment occurs all of the following are options except

Organisms can perish.

Organisms can keep doing the same thing.

Organisms can migrate.

Organisms can adapt.

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What happens when you remove prey from a grassland ecosystem?

The population of predators will increase.

The population of predators will decrease.

The population of predators will stay the same.

The population of predators will adapt, migrate, or perish.

5.9.C

Select the correct definition for each word.

	The number will go down.	The number will go up.
Decrease
Increase

5.9.C

Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?

A lumber company clearing a forest

Wildlife rangers minimizing disturbances

Preventing deer from depleting food resources

Restoring a natural habitat

5.9.C

Which of the following is a way humans can positively impact ecosystems?

Overhunting animals

Waste dumping

Industrial pollution

Using biodegradable products

5.9.C

Unit 7 Review

Unit 7 Review

Select the three things that environments provide to animals and plants.

When beavers construct their dams, there are helpful effects and harmful effects to the habitat. Sort these effects as either helpful or harmful.

Think of a prairie habitat with buffalo, deer, wolves, rabbits, and lots of grasses. What might happen in the ecosystem if the wolves were trapped and removed? Select all that are true.

If humans over-hunted a population of insect-eating birds, what immediate change would happen?

If humans cleared a forest and built homes , which of the following would happen to the forest?

A factory polluted the water supply in an area, what change can be observed in that ecosystem?

What is a negative result from bringing pigs to the Hawaiian rainforest ecosystem?

How could beavers building a dam cause an increase in fish population? The dam -

How might removing the alligators from a swamp habitat create a decrease in vegetation?

A highway is built through a forest. How will this affect the organisms in the area?

Scientists found that raccoon populations increased where houses were built. Why is this?

Sort the items on the left to the matching definition on the right.

Sort the items on the left to the matching definition on the right.

Select all three of the following effects of deforestation in the Amazon Rain Forest.

Select all three effects of overgrazing.

Each of the following can result in reduction or contamination of aquifers except -

Overpopulation occurs when there are more organisms than environments can sustain. This -

Human interaction such as building roads, homes, and fences causes which of the following?Select ALL that are true.

If all producers (plants) are removed from an environment what will be a logical result?

What is the effect of a new, stronger plant to an environment?

What happens when a new consumer is introduced into an environment?

What happens as humans destroy animals' environments?

Select all THREE of the following ways that humans negatively impact the environment.

Woodpeckers are native to Texas. Select all THREE of the negative impacts for Woodpeckers.

When human interaction in an environment occurs all of the following are options except

What happens when you remove prey from a grassland ecosystem?

Select the correct definition for each word.

Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?

Which of the following is a way humans can positively impact ecosystems?

Select the three things that environments provide to animals and plants.

When beavers construct their dams, there are helpful effects and harmful effects to the habitat. Sort these effects as either helpful or harmful.

Think of a prairie habitat with buffalo, deer, wolves, rabbits, and lots of grasses. What might happen in the ecosystem if the wolves were trapped and removed? Select all that are true.

If humans over-hunted a population of insect-eating birds, what immediate change would happen?

If humans cleared a forest and built homes , which of the following would happen to the forest?

A factory polluted the water supply in an area, what change can be observed in that ecosystem?

What is a negative result from bringing pigs to the Hawaiian rainforest ecosystem?

How could beavers building a dam cause an increase in fish population? The dam -

How might removing the alligators from a swamp habitat create a decrease in vegetation?

A highway is built through a forest. How will this affect the organisms in the area?

Scientists found that raccoon populations increased where houses were built. Why is this?

Sort the items on the left to the matching definition on the right.

Sort the items on the left to the matching definition on the right.

Select all three of the following effects of deforestation in the Amazon Rain Forest.

Select all three effects of overgrazing.

Each of the following can result in reduction or contamination of aquifers except -

Overpopulation occurs when there are more organisms than environments can sustain. This -

Human interaction such as building roads, homes, and fences causes which of the following?Select ALL that are true.

If all producers (plants) are removed from an environment what will be a logical result?

What is the effect of a new, stronger plant to an environment?

What happens when a new consumer is introduced into an environment?

What happens as humans destroy animals' environments?

Select all THREE of the following ways that humans negatively impact the environment.

Woodpeckers are native to Texas. Select all THREE of the negative impacts for Woodpeckers.

When human interaction in an environment occurs all of the following are options except

What happens when you remove prey from a grassland ecosystem?

Select the correct definition for each word.

Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?

Which of the following is a way humans can positively impact ecosystems?

Human interaction such as building roads, homes, and fences causes which of the following?
Select ALL that are true.

Human interaction such as building roads, homes, and fences causes which of the following?
Select ALL that are true.