Changes to Ecosystems

Presentation

•

Science

•

4th Grade

•

Hard

James Gonzalez

FREE Resource

8 Slides • 12 Questions

Changes
in the Environment

Organisms

Natural Disasters

Humans

What causes environmental changes?

Organisms

Natural Disasters

Humans

Logging/
Deforestation

Pollution

Multiple Choice

An example of a natural change to the ecosystem is:

A highway built in the middle of the desert.

Lightning strikes and starts a fire in the forest.

A rancher placing too many grazers in a small area leading to overgrazing.

Multiple Choice

What is one way an animal can change the ecosystem?

Chipmunks can hibernate through winter

Arctic foxes fur changes from brown to white in the winter

Geese migrate to lay their eggs

Beavers build a dam on a stream to create their homes

Multiple Choice

Which is NOT an example of a natural environmental change?

a beaver dam

a hurricane

a volcanic eruption

a housing development

Multiple Choice

Which of these is an example of a natural disaster?

hurricane

flood

drought

All of the above

Multiple Choice

6. A squirrel makes a change to its environment when it —

climbs a tree

digs a hole to bury an acorn

collects acorns

jumps from tree to tree

Multiple Choice

Which word means "any species which might soon become endangered"?

threatened

endangered

reproduce

migration

Multiple Choice

Which word means "any species that is in danger of becoming extinct"?

endangered

reproduce

migration

abiotic

Multiple Choice

Is this organism endangered, threatened, or extinct?

Endangered

Threatened

Extinct

Multiple Choice

Is this organism endangered, threatened, or extinct?

Endangered

Threatened

Invasive

Multiple Choice

Is this dinosaur threatened, endangered, or extinct?

threatened

endangered

extinct

Your mission

We are going to read about some environmental changes. You decide if the organism is going to move, adapt, or die. Be ready to support your choice.

Poll

You are a rabbit that lives in the grassland. Your area has been in a drought for the past six weeks. Your food source is dying out. What can you do?

Move

Adapt

Die

Poll

You are an owl that lives in the forest. Recently, several other owls have moved into your forest area. You are all competing for a very limited food source. What can you do?

Move

Adapt

Die

Changes
in the Environment

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Changes to Ecosystems

Changes in the Environment

​What causes environmental changes?

​Organisms

​Natural Disasters

Humans

Your mission

Changes in the Environment

Similar Resources on Wayground

Popular Resources on Wayground

Changes
in the Environment

What causes environmental changes?

Organisms

Natural Disasters

Changes
in the Environment