Answers5120VA Environmental Science Sem ACareers in Environmental Science

Land Habitats Answers

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3

Which of the following Gila Monster adaptations is based on the reproductive cycles of Gambel’s quails and cottontail rabbits?

A
water absorption through their leaky skin
B
fat storage in their tails
C
burrowing during periods of inactivity
D
their crepuscular activity schedule
5

Which is not an adaptation of desert animals that help them retain and acquire water in such a hot and dry environment?

A
burrow in moist soil or live in underground dens
B
excrete uric acid instead of urine
C
evolved an internal ‘air conditioning’ system to help them stay cool
D
obtain water from the plants and animals they eat
7

Which of the following is not true about Polar bears?

A
They all hibernate.
B
They have black skin that helps them absorb heat.
C
Their fur is transparent and hollow and helps trap heat.
D
They have oversized paws with rough pads that help them walk on snow and ice.
10

The four essential elements for life are _______.

A
carbon, hydrogen, oxygen and nitrogen
B
carbon, hydrogen, oxygen and iron
C
carbon, nitrogen, oxygen and magnesium
D
iron, nitrogen, oxygen and magnesium
11

Which of the following are not abiotic factors of an ecosystem?

A
water abundance
B
temperature
C
day length
D
herbivores
12

Plants and animals do not respond to the presence of abiotic factors in their ecosystems.

A
T
B
F
13

Bacteria living in the soil are dependent upon which of the following abiotic factors?

A
plant root structures and oxygen content
B
soil temperature and water content
C
nitrogen content and insect activity
D
insect activity and plant root structures
14

Abiotic factors, like water, are critical to most food chains.

A
T
B
F
15

Given that water serves as an environmental thermoregulator, which of the following biomes would you expect to have the most stable temperatures?

A
temperate forest
B
grassland
C
rainforest
D
aquatic
16

Which of the following are characteristics of generalist species?

A
small habitat and restricted diet
B
large habitat and varied diet
C
restricted diet and physiological adaptations
D
behavioral and physiological adaptations
17

Water is an abiotic factor in terrestrial environments.

A
T
B
F

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