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LE Unit 1 Ecosystem Stability Succession

Last updated almost 6 years ago

23 Nsɛmmisa

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1.

A hydrogen bomb has an impact similar to:

A. a thunder clap

B. somebody jumping on the floor above you

C. a volcanic eruption

D. a tornado

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2.

The re-colonization of Mt. St. Helen's is an example of

A. Primary Succession

B. Secondary Succession

C

D

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11.

Answer question 6

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12.

Answer question 9

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13.

Describes the progression of growth in primary succession?

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14.

Answer question 12. Many answers here!

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15.

Answer question 13a

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16.

Answer question 13b

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17.

Answer question 13c

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20.

Answer question 15. Be thorough and answer all parts.

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21.

Answer question 16

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23.

Answer question 18. make sure to give your reasons!

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3.

Answer question 1a

A. Ocean floor

B. Bare rock

C. Sandy soil

D. Forrest floor

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4.

Answer question 1b

A. Yes

B. No

C

D

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5.

Answer question 1c

A. Most plants and shrubs need soil to grow well

B. Plants and shrubs can grow just about anywhere

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6.

Answer question 2a

A. Birds

B. Moss and Lichen

C. Small bushes

D. Ferns

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7.

Answer question 2b.

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8.

Answer question 3a

A. Diagram A

B. Diagram B

C. Diagram C

D. Diagram D

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9.

Answer question 4

A. Taller plants can be more accessable to the sun's rays

B. It is advantageous to be short because they don't need as much water because they are shaded by taller plants.

C.

D

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10.

Answer question 5

A. All plants live in harmony and reproduce equally

B. Pioneer species are squeezed out of this ecosystem due to the great growth of larger plants

C. Pioneer species take over by spreading out and this does not allow large trees to grow well.

D

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18.

Answer question 13d

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19.

Answer question 14....there are 2 parts! :)

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22.

Look at each situation and click on the letters that only represent examples of primary succession

A.

B.

C.

D.