Answers25.26 TCEC BIO 1Populations and the Environment

Populations and the Environment Answers

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1
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Identify the following as biotic or abiotic.Sunlight and heat: Insects: Rotting log: Bacteria: Water: Rocks:

Answers:
Selection 1:abiotic
Selection 2:biotic
Selection 3:biotic
Selection 4:biotic
Selection 5:abiotic
Selection 6:abiotic
2
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Insects:

Answer not available
3

Rotting log:

Answer not available
4

Bacteria:

Answer not available
5

Water:

Answer not available
6

Rocks:

Answer not available
7

Describe the habitat of the giraffe.

Answer:

Giraffes live mainly in African savannas, bush, scrub, and woodlands, where acacia trees provide an important food source.

8

Describe the niche of the giraffe.

Answer:

mutualistic relationship

9

Describe animal interactions that affect populations in the tundra ecosystem.

Answer:

Animals have adapted to the harsh weather conditions and long winters of the tundra. Animals migrate to eat insects that live there year round. Many animals in the tundra hibernate during the long, cold winter months. Animals are most active in the short summer as the snow melts and shallow wetlands form.

11

Which of the following did you include in your answer? Check all that apply.

A
graze
B
foliage
C
maintain
D
open
E
woodland
F
oxpecker
G
parasite
H
mutualistic relationship
12

Which of the following did you include in your answer? Check all that apply.

A
Animals have adapted to the harsh weather conditions and long winters of the tundra.
B
Animals migrate to eat insects that live there year round.
C
Many animals in the tundra hibernate during the long, cold winter months.
D
Animals are most active in the short summer as the snow melts and shallow wetlands form.

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