AnswersCA-Life Science B High SchoolLab: Interdependence of Organisms

Lab: Interdependence of Organisms Answers

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1
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Identify the following as biotic or abiotic.Sunlight and heat:

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 in the African savanna, which consists of vast grasslands and open woodlands. Their habitat is characterized by a warm climate and a abundance of acacia trees, which provide their primary source of food. These areas allow giraffes to have a wide field of vision to spot predators and enough space to roam freely.

8

Describe the niche of the giraffe.

Answer:

The giraffe’s niche is to graze on foliage in open woodlands, helping maintain the open woodland habitat. It also has a mutualistic relationship with oxpeckers, which eat parasites from its body.

9

Describe animal interactions that affect populations in the tundra ecosystem.

Answer:

Predation, competition for limited food and shelter, migration, and hibernation all affect animal populations in the tundra. During the short summer, abundant plants and insects support more activity and reproduction, while harsh winters reduce available food and cause some animals to migrate or hibernate.

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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