Topic 2 Human Interactions on Ecosystems

People depend on what to meet their needs

• Their culture

• Their social network

• The ecosystem

• The retail stores in their city

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Natural resources are...

• Resources that are organic

• Materials and products that are found in nature that help us meet our needs

• Materials and products that are created through advanced chemistry

• Resources that found in national parks

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Leaving the lights on in Toronto highrise buildings resulted in the deaths of thousands of songbirds (pg 19)

• True, the birds are attracted to the lights of the buildings and crash into the glass.

• True, the glass manufactures built their factory in breed grounds

• False, birds have incredible eyesight and navigation skills

• False, song birds only fly during daylight hours.

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The way in which people interact with the environment overtime has changed

• False

• True

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Before the industrial revolution and the use of machines and technology humans had a relatively small impact on the environment

• True

• False

How did the aboriginal people of Southern Alberta harvest Bison for food and materials?

• Small agricultural farms

• Ranching

• Feedlots

• Strategically herding them to run off cliffs

Which of these is a "Need"

• Internet access

• Summer vacation

• Access to clean water

• Health and wellness centres

Which isn't a "need"?

• Access to clean water

• Shelter

• Food security

• Online banking

Are wildfires always a bad thing?

• Yes, they harm all plants and animals in an ecosystem

• Yes, it releases excess co2 and contributes to climate change

• Not always, after fires new grasses and

  other plants sprout up and provide valuable food for elk, deer, and other animals that routinely graze in the valley bottoms.

• No, it's provides high paying fire-fighter jobs which is good for the economy

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Predators are important animals in an ecosystem because...

• People want to see them so it bring in millions of dollars through international tourism

• They keep populations numbers in balance and prevent overgrazing

• They eat deer, and as a result reduce car accidents

• Scare off pests and keep ecosystems more hygienic

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