Characteristics Of Biomes Flashcards

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1
Q

What are biomes classified by?

A

Climate
Vegetation
Geography

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2
Q

Natural changes

A

Caused by environmental factors

Ex: volcanic activity, temp changes etc.

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3
Q

Artificial changes

A

Caused by human activity

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4
Q

What continents were in the Cambrian period

A

Gondwana
Laurentia
Siberia
Baltic’s

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5
Q

How was the climate during the Cambrian period

A

Temperate global climate

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6
Q

What organisms were living in the Cambrian period

A

Algae
Bacteria
Marine invertebrates are prominent life forms

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7
Q

Were there plants during the Cambrian period

A

No

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8
Q

During the Devonian period what plates were there

A

Gondwana and Euramerica

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9
Q

What started to evolve during the Devonian period

A

Forests and land plants

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10
Q

What types of organism started to appear during the Devonian period

A

Vertebrates

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11
Q

What continent formed during the Carboniferous period

A

Pangaea

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12
Q

What type of organism evolved during the Carboniferous period

A

Four-legged vertebrates

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13
Q

During the Carboniferous period there was an increase in the number of ……….

A

Land based organisms

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14
Q

In what period did the separation of Pangaea began

A

Triassic period

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15
Q

What was the global climate like during the Triassic period

A

Arid and dry

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16
Q

What changes in the environment occurred during the Triassic period

A

Formation of lakes and rivers

17
Q

What organisms appeared during the Triassic period

A

Large amphibians, ferns, and gymnosperm forests

18
Q

Which period started having savanna regions

A

Triassic period

19
Q

What period was known as the “Age of the Dinosaurs”

A

Jurassic period

20
Q

What evolved during the Jurassic period

A

Large land based animals and marine vertebrates

21
Q

Ferns, ginkos, cycads, and conifers appeared during which period

A

Jurassic

22
Q

During the Jurassic period there was an appearance of …….

A

Mammals

23
Q

During which period did the dinosaurs go extinct

A

Cretaceous period

24
Q

The full split of Pangaea happened during the ……… period

A

Cretaceous

25
Q

During the Cretaceous period, there was an appearance of ……….

A

angiosperms

26
Q

The evolutions of forests happened during ……

A

the Cretaceous period

27
Q

During the Econe/Miocene Epochs there were high levels of …….

A

precipitation

28
Q

During which period did the change of ocean circulation and global heat transport occur

A

Econe/Miocene period

29
Q

What caused changes in ocean circulation and global heat transport

A

the creation of the circum-Antarctic current

30
Q

During the Econe/Miocene period, there was the appearance of ………..

A

large mammals

31
Q

When did Earth assume its modern configuration

A

Econe/Miocene period

32
Q

When did the evolution of humans occur

A

Pleistocene Epoch

33
Q

When did the most recent Ice Age occur

A

Pleistocene Epoch

34
Q

Quaternary Epoch is also known as

A

modern Earth

35
Q

Human impact on the tundra

A
mining of natural minerals
oil drilling
erosion due to traffic 
radioactive pollution
overgrazing by caribou
36
Q

Human impact on coral reefs

A

contamination by sewage, fertilizer, and sediment runoff
smothering due to increased amount of algae
overfishing
tourism
coral bleaching

37
Q

Human impact on rainforests

A
logging
mining
oil drilling
agriculture
construction
38
Q

Paleobotany

A

study of fossilized plants

39
Q

What can Paleobotany determine

A

connections between prehistoric and modern plants