How much of the Amazon rainforest is being cleared every minute?

An area the size of a football pitch

An area the size of a small town

An area the size of a small country

What vital role does the Amazon rainforest play in the Earth's climate?

It absorbs carbon dioxide and produces oxygen.

It creates new land for agriculture.

It prevents volcanic eruptions.

What is the current Brazilian President's stance regarding the exploitation of the Amazon?

He believes too much of the forest is already protected and supports exploitation.

He advocates for increased protection of the forest.

He has implemented stricter laws to prevent deforestation.

He is neutral on the issue, leaving decisions to local communities.

What are some specific events that can disrupt an ecosystem and its food webs?

Volcanic eruption, overhunting, introducing new species, drought, disease, overfishing, wildfires, pollution

Migration, rainfall, photosynthesis, pollination

Recycling, composting, planting trees, using solar energy

Predation, symbiosis, mutualism, commensalism

Which of the following is the best definition of 'disruption' in the context of ecosystems?

A disturbance that interrupts a process

A change that ruins an ecosystem forever

A minor event that has no effect

A change that only affects plants

Which of the following are beneficial effects of wildfire?

Promotes the growth of trees and wildflowers

Minimizes the spread of pest insects and disease

What would happen if lobsters could be caught without any rules or limitations?

No change in lobster population

What would happen to the population of mussels and seaweed if lobsters are overfished?

There would be more mussels and less seaweed.

There would be fewer mussels and more seaweed.

There would be more mussels and more seaweed.

There would be fewer mussels and less seaweed.

Based on the text, which of the following are ways humans can help reduce disruptions to ecosystems?

Making laws to protect the environment

Bringing invasive species to new areas

What is a direct consequence of an increase in human population?

Increased demand for natural resources

Decreased demand for natural resources

What methods are mentioned for protecting endangered species?

Captive breeding and habitat protection

Hunting and fishing regulations

What happens when ecosystems are disrupted?

Ecosystems may experience changes in energy flow, loss of species, or altered matter cycles.

G5 Science - Unit 2 Lesson 14: Changes in Ecosystems (Full)

78 questions

Show all answers

1.

SLIDE QUESTION

30 sec • Ungraded

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to study changes in ecosystems?

To understand how living things interact and survive

To learn about outer space

To discover new chemical elements

To improve computer technology

3.

SLIDE QUESTION

30 sec • Ungraded

4.

OPEN ENDED QUESTION

3 mins • 1 pt

What do you think might happen when an ecosystem is disrupted?

Evaluate responses using AI:

OFF

5.

SLIDE QUESTION

30 sec • Ungraded

6.

SLIDE QUESTION

30 sec • Ungraded

7.

SLIDE QUESTION

30 sec • Ungraded

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