Chapter 6 Biomes

Question 1

has rich, deep soil

Answer 1

temperate deciduous forest

Question 2

less than 25 cm of rainfall per year

Answer 2

desert

Question 3

Douglas fir and redwood trees

Answer 3

temperate rain forest

Question 4

scrub oak, olive trees, and sage

Answer 4

chaparral

Question 5

100 acres lost each minute

Answer 5

tropical rain forest

Question 6

adaptation for desert survival

Answer 6

estivation

Question 7

adaptation for taiga survival

Answer 7

conical shape

Question 8

home to herbivores such as giraffes and elephants

Answer 8

savanna

Question 9

moderate rainfall, frequent fire events

Answer 9

temperate grassland

Question 10

easily disrupted and slow to recover from disturbances

Answer 10

tundra

Question 11

Just before you reach the top of a mountain where there is year-round ice and snow, you would expect to see

a. cacti.	                c.	mahogany trees.
b. deciduous trees.	d.	herbs, lichens, and mosses.

Answer 11

d. herbs, lichens, and mosses.

Question 12

In a tropical rain forest, you would expect to find

a. lush, tall plants that require a lot of water.
b. short plants that require little water.
c. small trees, shrubs, and grasses.
d. cacti and shrubs that require little to no water.

Answer 12

a. lush, tall plants that require a lot of water.

Question 13

Which of the following statements is true?

a. Mosses and lichens of the tundra usually grow closer to the equator.
b. Temperate forests and grasslands usually have poor soil.
c. Tropical rain forests are located near the equator where it is warm and wet.
d. Grasslands north of 40º latitude grow most of the world’s food.

Answer 13

c. Tropical rain forests are located near the equator where it is warm and wet.

Question 14

Which of the following is true of tropical rain forests?

a. The soil is rich and supports a wide variety of plant and animal life.
b. They help regulate world climate and play vital roles in the nitrogen, oxygen, and carbon cycles.
c. Temperatures vary widely between wet and dry seasons.
d. The diversity in a tropical rain forest is exceeded only by that of the grasslands.

Answer 14

b. They help regulate world climate and play vital roles in the nitrogen, oxygen, and carbon cycles.

Question 15

The amount of light available to each layer of a tropical rain forest from least to most light is

a. lower canopy, upper canopy, emergent layer, under story.
b. upper canopy, emergent layer, under story, lower canopy.
c. under story, lower canopy, upper canopy, emergent layer.
d. emergent layer, upper canopy, lower canopy, under story.

Answer 15

c. under story, lower canopy, upper canopy, emergent layer.

Question 16

A temperate deciduous forest would likely contain

a. plants that require abundant rainfall and moderate temperatures.
b. plants with adaptations, such as rhizomes, to survive harsh winters.
c. plants with thick, fleshy, waxy stems to prevent water loss.
d. dwarf woody plants growing near the ground to absorb the soil’s heat.

Answer 16

b. plants with adaptations, such as rhizomes, to survive harsh winters.

Question 17

Animals of the taiga have adaptations such as the ability to

a. change color to avoid predators.
b. find watering holes in the dry season.
c. give birth during the rainy season only.
d. prevent summertime water loss with their thick, scaly skin.

Answer 17

a. change color to avoid predators.

Question 18

Which characteristics describe grassland biomes?

a. high species diversity, few trees, alternating rainy and dry seasons
b. susceptibility to fires, low to moderate rainfall, few to no trees
c. abundant rainfall year-round, extremely fertile soil, grazing animals
d. mild Mediterranean climate, high species diversity, and few trees

Answer 18

c. abundant rainfall year-round, extremely fertile soil, grazing animals

Question 19

Which of the following describes the climate of the chaparral?

a. Mediterranean climate; hot, dry summers; mild, wet winters
b. desert-like climate; hot, dry summers; cool, dry winters
c. extremely wet climate; cold, wet winters; cool, rainy summers
d. relatively dry climate; mild, dry summers; cold, dry winters

Answer 19

a. Mediterranean climate; hot, dry summers; mild, wet winters

Question 20

Adaptations of desert animals that help them survive in the hot, dry desert often include

a. searching for water at midday.
b. thin skin that readily absorbs water.
c. large, bulky size to retain body heat on cold nights.
d. searching for food at night

Answer 20

d. searching for food at night