Determining Population Size Answers

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Which of the following would be the most important adaptation for a desert-dwelling animal to possess?

A
heat dissipation structures
B
heat conserving structures
C
energy conserving behaviors
D
water conserving behaviors
2
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Deserts are only found near the equator.

A
T
B
F
3

Human impacts on biomes are best characterized by _______.

A
increased fossil fuel usage
B
industrial pollution of landfills
C
interruption of natural biome processes
D
sewage contamination of groundwater
4

The arctic tundra can be found in _______.

A
Greenland
B
Canada
C
The United States
D
all of the above
5

Which of the following adaptations does not protect tundra organisms from heat loss?

A
thick fur
B
retention of dead leaves
C
dense hair
D
production of chemicals to ward off insects
6

Which of the following is a characteristic typically not used to classify biomes?

A
climate
B
type of vegetation
C
human activity
D
geography
7

Which of the following changes in deciduous forests occurs in the winter?

A
Trees regain their leaves.
B
Trees block the flow of water and nutrients to their leaves.
C
The leaves of trees begin to lose their chlorophyll.
D
Trees live off of stored nutrients.
8

Deciduous forests can only be found in North America.

A
T
B
F
9

Biomes on Earth have exhibited changes throughout history that have been caused by a variety of factors. Over the past 50 years, the amount of tropical rainforest acreage found throughout the world has decreased from 14.8 billion acres to 8.6 billion acres due to deforestation. What factor is likely most responsible for the changes observed in the world’s rainforests?

A
volcanic activity
B
human activity
C
temperature changes
D
solar eclipses
10

Which of the following adaptations enables deciduous trees to produce more food?

A
thick bark
B
stretching toward the sun
C
leaf loss
D
color change
11

The Earth’s history has had a significant effect on the characteristics of its organisms and biomes. How was the Carboniferous period different from the Devonian period?

A
Forests and land plants evolved during the Carboniferous period.
B
There were vertebrates in the Carboniferous period, but not in the Devonian period.
C
There were an increased number of land-based organisms in the Carboniferous period.
D
There were vertebrates with four legs in the Devonian period, but not in the Carboniferous.
12

Which of the following is not a way humans have impacted the tundra?

A
oil drilling
B
logging
C
overgrazing
D
mining
13

Deciduous forests receive most of their 30 to 60 inches of annual precipitation in the summer.

A
T
B
F
14

Transpiration is best described as _______.

A
water evaporation through pores in leaves
B
water evaporation through roots
C
water absorption through pores in leaves
D
water absorption through roots
15

Fish do not live in the icy rivers of the tundra.

A
T
B
F
16

Which of the following is not true of deciduous forests?

A
characterized by four seasons
B
trees lose their leaves in the fall
C
precipitation is concentrated in one season
D
averages 30-60 inches of precipitation annually
17

Which of the following is not one of the five zones of the deciduous forest?

A
shrub
B
animal
C
herb
D
tree stratum
18

Organisms that live in desert and desert-scrub biomes have developed unique adaptations that aid in their survival. Coyotes are crepuscular desert mammals that grow to be approximately three feet tall and weigh between 20 and 50 pounds when full-grown. How does being crepuscular help enable the coyote to survive the heat of the desert?

A
It is only active at dawn and dusk
B
It is only active at noon
C
It is only active at night
D
It is only active in the morning
19

Which of the following biomes are considered temperate biomes?

A
deciduous forests and grasslands
B
chaparral and tundra
C
rainforest and tundra
D
alpine and deciduous forests
20

Which of the following adaptations enables deciduous trees to produce more food?

A
broad leaves
B
thick bark
C
leaf loss
D
color change

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