Population Dynamics	Species at Risk	Cycling of Matter	Environmental Issues and Carbon Cycle	Global Warming
10	10	10	10	10
20	20	20	20	20
30	30	30	30	30
40	40	40	40	40
50	50	50	50	50
Final Question

What are population dynamics?

What are population dynamics?

How organisms and their environment living populations to keep the ecosystem in balance.

What is a carrying capacity?

The maximum population of a species that can be supported by an ecosystem.

List one of the four limiting factors that determine the carrying capacity of an ecosystem.(One that hasn't already been said)

List two of the four limiting factors that determine the carrying capacity of an ecosystem.(Two that haven't already been said)

Define extinct

a species that no longer exists anywhere

Define endangered

a species that is close to extinction in a significantly large area

Define extirpated

a species that no longer exists in one part of Canada but can be found elsewhere

Define threatened

a species that is likely to become endangered if the factors affecting it are not changed.

Define vulnerable

A species that is beginning to see low numbers and scientists are worried they won't reverse.

What is a toxin?

A substance that is hamful to organisms

Describe biomagnification

The increase in concentration of a toxin in a food chain

Describe bioaccumulation

The accumulation of a substance in an organism

Which organism in a food chain is most affected by a toxin that a producer has?

The highest trophic level or highest consumer.

Describe how a toxin can enter and move up a food chain/web.

The toxin enters by being sprayed on plants or soil, or being washed down the drain and getting into the water system, or being dumped in water or on the ground. It moves up the food chain as predators eat.

What is the greenhouse effect?

The ceiling of greenhouse gases trapping some heat on Earth and allowing some back into the atmosphere.

What is renewable energy? Provide 2 examples.

Energy that doesn't run out. Solar, Wind, Geothermal, Biomass,

What is an adaptation? Provide one example.

Special feature allowing an organism to survive in their biome.

Thinking of the carbon cycle, what are two ways carbon can be released into the atmosphere?

Thinking of the carbon cycle what are two ways carbon can be taken from the atmosphere?

List one reason (that hasn't been said yet) why some may believe global warming is not a serious issue?

List one reason (that hasn't been said yet) why some may believe global warming is a serious issue?

How is it possible that global warming could cause both floods and droughts?

State the difference between temperature and climate without using an example.

Temperature is the temperature at a moment or on a specific day. Climate is the average weather conditions over a longer period of time.

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What Would You Like To Risk?

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