Ecosystems and Natural Disasters

What is an ecosystem?

• A community of living organisms interacting with their physical environment

• A single species living in isolation

• A group of non-living elements

• A weather pattern

Which of the following is a type of natural disaster that can disrupt ecosystems?

• Earthquake

• Drought

• Flood

• All of the above

Tags

NGSS.MS-ESS3-2

How does a forest fire affect the food web in an ecosystem?

• It increases the number of predators

• It decreases the availability of food for herbivores

• It has no effect on the food web

• It only affects the top predators

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is an example of an ecosystem disruption caused by human activity?

• Volcanic eruption

• Deforestation

• Tsunami

• Earthquake

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What role do decomposers play in the food web?

• They produce energy from sunlight

• They break down dead organisms and recycle nutrients

• They are top predators

• They compete with herbivores for food

Tags

NGSS.MS-LS2-3

How can climate change lead to ecosystem disruptions?

• By stabilizing weather patterns

• By causing shifts in species distribution

• By reducing the number of natural disasters

• By increasing biodiversity

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Which of the following strategies can be used for the restoration of ecosystems after a natural disaster?

• Introducing invasive species

• Replanting native vegetation

• Increasing pollution

• Building more infrastructure

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Analyze how a decrease in the population of a primary consumer can affect the food web.

• It will have no effect on the food web

• It can lead to an increase in the population of producers

• It will only affect the top predators

• It will cause a decrease in the population of producers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Evaluate the impact of a prolonged drought on an ecosystem's food web.

• It will increase the number of aquatic species

• It will decrease the availability of water and food resources

• It will have no impact on terrestrial species

• It will only affect the top predators

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Plan a basic strategy for restoring an ecosystem that has been affected by a flood.

• Introduce non-native species to the area

• Allow natural recovery without intervention

• Remove debris and replant native species

• Increase human activity in the area

Tags

NGSS.MS-LS2-5