unit B Flashcards by kesha godenir | Brainscape

Q

Muskeg is also known as what?

A

Tundra

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Q

Name the most exposed layer of soil.

A

Litter

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Q

Name the least exposed layer of soil.

A

Bed Rock

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Q

What biom is Alberta?

A

Grassland

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Q

What’s in an ecotone?

A

Aquatic and terrestrial

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Q

What’s a niche?

A

A role in an organism

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Q

Is a lake freshwater or salt water?

A

Fresh water

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Q

What’s the shallowest zone in a lake?

A

Littoral

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Q

Does the profundal zone get sunlight?

A

No

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Q

what’s under the topsoil?

A

Subsoil

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Q

Name a birds adaptation

A

Migrating to warmer climates

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Q

Name a density independant

A

Flood

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Q

Name a density dependant

A

Disease

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Q

What’s slash and burn?

A

Felling trees

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Q

What’s clear cutting?

A

Removal of all trees

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Q

Hats selective cutting?

A

Only certain trees removed

Q

Hats prescribed burns?

A

Setting fire intentionaly

Q

What’s oligotrophic?

A

Deep and cold water

Q

hats eurtrophic?

A

Shallow warm water

Q

Is bacteria a water quality tester?

A

Yes

Q

Are humans water quality testers?

A

No

Q

What’s taxonomy?

A

Classifying organisms

Q

Name a bionomial name

A

Ursa horribilus

Q

When did kelvin believe earth was made?

A

15-20 million years ago

Q

Paleontology?

A

Study of fossils

Q

How do you measure radiometric dating?

A

Half lives

Q

Homologous feature?

A

Same structure, different function

Q

Name a vestigal feature

A

Whale femer

Q

Two heads, harmfull or benefitial?

A

Benefitial

Q

Asexual characteristic?

A

No varriation