Unit 7 Review

1

_____________ – an organism that eats other organisms (plants and or animals) for food

_______________ – an organism that gets energy by feeding on dead materials and waste

______________ – to rely on someone or something else

______________ – a unit consisting of living organisms and the environment that they live in

____________ – the place where an organism lives; habitats supply the organism with food, shelter, moisture, and temperature for survival

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

1

5.9.C

1

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

5.9.C

1

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

5.9.C

1

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

5.9.C

1

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

5.9.C

1

During the construction of a mall, a lake was filled in. This impacted organisms that - __________

5.9.C

1

Too many cows can be harmful to their ecosystem because they could - __________

5.9.C

1

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

5.9.C

1

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

5.9.C

1

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

5.9.C

1

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

5.9.C

1

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

Environment
Extinction
Invasive
Community

A nonnative animal that moves into a new place

5.9.C

1

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

Consumer
Omnivore
Producer

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

1

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

5.9.C

1

Select all three effects of overgrazing.

5.9.C

1

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

5.9.C

1

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

5.9.C

1

Human interaction such as building roads, homes, and fences causes which of the following?

Select ALL that are true.

5.9.C

1

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

5.9.C

1

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

5.9.C

1

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

5.9.C

1

What happens as humans destroy animals' environments?

5.9.C

1

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

5.9.C

1

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

5.9.C

1

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

5.9.C

1

What happens when you remove prey from a grassland ecosystem?

5.9.C

1

Select the correct definition for each word.

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

5.9.C

1

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

5.9.C

1

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

5.9.C

Unit 7 Review

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

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.