Sustainabilit

Draw

Draw an ecosystem with high biodiversity

Biodiversity and Sustainability

By Sarah Serna

Multiple Choice

Biodiversity is a term that refers to-

• one species of plants

• the number of different plant and animal species in an area

• the amount of biomass in an area

• the number of microorganisms in a population

​Biodiversity

​What is it?

-Biodiversity is the number of different plant and animal species in an area

-the higher the biodiversity the more sustainable (or stable) the ecosystem is ​

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Poll

The higher the biodiversity, the more _______ the ecosystem is.

• threatened

• damaged

• sustainable

• helpless

What can affect biodiversity?

Possible examples of increasing / decreasing biodiversity:

• Introduction of native species

• Introduction of invasive species

• Introduction of disease

• Natural disasters

• Human impact​

Subject | Subject

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Multiple Choice

Which of the following can affect biodiversity?

• Introducing a native species

• Natural disasters

• Human impact

• All of the above

Multiple Choice

An invasive species _______ biodiversity.

• increases

• decreases

What does sustainable mean?

-Sustainable is how stable an ecosystem is

-If an ecosystem is more stable​, it can withstand changes in the environment

-Ex: a tropical rainforest can withstand flooding because it has high biodiversity (lots of plants and animals)​

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Multiple Choice

An ecosystem with high biodiversity is more sustainable.

• True

• False

Fill in the Blank

Explain why a tropical rainforest is more sustainable (stable) than a tundra

Ecosystem 2

​Ecosystem 1

Which of these ecosystems is more sustainable?

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Multiple Choice

What marine ecosystem contains the most biodiversity?

• Estuaries

• Coral reefs

• rivers

• pond

high vs low biodiversity

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What is niche?

​Niche – the unique role or job of an organism in an ecosystem

​Ecological niche

Black bears play an important part in ecosystems due to their effects on fruits and insects. They help spread the seeds of any plants that they eat and they also eat many moth larvae and colonial insects controlling their population growth.

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Multiple Choice

What is a niche?

• the unique role or job of an organism in an ecosystem

• the type of diversity in an ecosystem

• the number of chromosomes in a cell

• abiotic factors

Abiotic/Biotic Factors

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-living factors in an ecosystem​

Examples: plants, animals, predators, prey​

​Biotic

-non living factors in an ecosystem

Examples: rocks, soil, drought, water, sunlight​

Abiotic

Multiple Choice

Which of the following is a biotic factor in an ecosystem?

• Soil

• sand

• Plants

• water

Multiple Choice

Which of the following is an abiotic factor?

• animals

• rocks

• plants

• consumers

Open Ended

Why do you believe biodiversity is important in an ecosystem?