Topic 4: Lesson 3 & 4

Last updated about 2 years ago

10 questions

Required

Library

Topic 4: Lesson 3 & 4

Last updated about 2 years ago

10 questions

Required

Question 1

When organisms in an ecosystem need the same resources, what occurs?

Stability

Decomposition

Producing

Competition

Required

Question 2

If an ecosystem is unchanging, it is _______________.

Stable

Decomposing

Producing

Competiting

Required

Question 3

What is it called when something moves through a series of steps that repeat?

cycle

pattern

rotation

competition

Required

Question 4

What is the order of the food chain? List in order of bottom of the chain to the top of the chain.

Shark, Scallops, Rays

Required

Question 5

Which statement best explains what happens to the ray population when the shark numbers fall?

Ray populations decrease because scallop population increases.

Required

Question 6

Which animal pair includes two competitors?

tiger and sloth

rabbit and deer

tiger and rabbit

deer and tiger

Required

Question 7

Which of these is NOT a characteristic of a healthy ecosystem?

a variety of species

introduced species that crowd out other species

adequate shelter and nesting sites

balance of decomposers, producers, and consumers

Required

Question 8

Organisms store very little energy from the food they eat.

True

False

Required

Question 9

Organisms can carry on life processes without every recharging their energy.

True

False

Required

Question 10

10.

The first step in the cycle of matter happens when ________________ take in matter from the air, soil, and water.

Consumers

Decomposers

Microbes

Producers

Question 1

When organisms in an ecosystem need the same resources, what occurs?

Stability

Decomposition

Producing

Competition

Question 2

If an ecosystem is unchanging, it is _______________.

Stable

Decomposing

Producing

Competiting

Question 3

What is it called when something moves through a series of steps that repeat?

cycle

pattern

rotation

competition

Required

Question 4

What is the order of the food chain? List in order of bottom of the chain to the top of the chain.

Shark, Scallops, Rays

Rays, Sharks, Scallops

Scallops, Sharks, Rays

Scallops, Rays, Sharks

Required

Question 5

Which statement best explains what happens to the ray population when the shark numbers fall?

Ray populations decrease because scallop population increases.

Ray population increases, because the shark population decreases.

Ray population decreases, because the scallop population decreases.

Ray population does not change as shark numbers change.

Question 6

Which animal pair includes two competitors?

tiger and sloth

rabbit and deer

tiger and rabbit

deer and tiger

Question 7

Which of these is NOT a characteristic of a healthy ecosystem?

a variety of species

introduced species that crowd out other species

adequate shelter and nesting sites

balance of decomposers, producers, and consumers

Question 8

Organisms store very little energy from the food they eat.

True

False

Question 9

Organisms can carry on life processes without every recharging their energy.

True

False

Question 10

10.

The first step in the cycle of matter happens when ________________ take in matter from the air, soil, and water.

Consumers

Decomposers

Microbes

Producers

Rays, Sharks, Scallops

Scallops, Sharks, Rays

Scallops, Rays, Sharks

Ray population increases, because the shark population decreases.

Ray population decreases, because the scallop population decreases.

Ray population does not change as shark numbers change.