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Biology Concepts and Applications

Cecie Starr, Christine A. Evers, Lisa Starr

Chapter 43

The Biosphere - all with Video Answers

Educators

Chapter Questions

00:45

Problem 1

The Northern Hemisphere is most tilted toward the sun in ________.
a. spring
b. summer
$c .$ autumn
d. winter

Zachary Papazian
Zachary Papazian
Numerade Educator
00:48

Problem 2

Which latitude will have the most hours of daylight on the summer solstice?
a. $0^{\circ}$ (the equator)
b. $30^{\circ}$ north
c. $45^{\circ}$ north
d. $60^{\circ}$ north

Zachary Papazian
Zachary Papazian
Numerade Educator
01:08

Problem 3

Warm air________ and it holds ________water than cold air.
a. sinks; less
b. rises; less
c. sinks; more
d. rises; more

Zachary Papazian
Zachary Papazian
Numerade Educator
01:05

Problem 4

A rain shadow is a reduction in rainfall________.
a. on the inland side of a coastal mountain range
b. during an El Niño event
$c$ that results from global warming

Zachary Papazian
Zachary Papazian
Numerade Educator
01:26

Problem 5

The presence of the Gulf Stream________ areas along the eastern coast of the United States.
a. warms
b. cools

Zachary Papazian
Zachary Papazian
Numerade Educator
00:59

Problem 6

________have a deep layer of humus-rich topsoil.
a. Deserts
b. Grasslands
c. Rain forests
d. Seamounts

Zachary Papazian
Zachary Papazian
Numerade Educator
01:31

Problem 7

Biomes differ in their ________.
a. climate
b. dominant plants
c. soils
d. all of the above

Zachary Papazian
Zachary Papazian
Numerade Educator
01:21

Problem 8

Grasslands most often are found ________.
a. near the equator
b. at high altitudes
c. in the interior of continents
d. in rain shadows

Zachary Papazian
Zachary Papazian
Numerade Educator
01:01

Problem 9

Permafrost is part of the soil in ________.
a. arctic tundra
b. temperate forest
c. boreal forest
d. grasslands

Zachary Papazian
Zachary Papazian
Numerade Educator
01:31

Problem 10

The warmer water is, the ________ oxygen it can hold.
a. more
b. less

Zachary Papazian
Zachary Papazian
Numerade Educator
02:04

Problem 11

Chemoautotrophic bacteria and archaea are the primary producers for food webs________.
a. in mangrove wetlands
b. at seamounts
c. on coral reefs
d. at hydrothermal vents

Zachary Papazian
Zachary Papazian
Numerade Educator
01:18

Problem 12

Corals rely on symbiotic ________ for sugars.
a. fungi
b. bacteria
c. dinoflagellates
d. green algae

Zachary Papazian
Zachary Papazian
Numerade Educator
00:53

Problem 13

Which of the following biomes borders on boreal forest?
a. savanna
b. taiga
$c,$ tundra
d. chaparral

Zachary Papazian
Zachary Papazian
Numerade Educator
01:11

Problem 14

Unrelated species living in geographically separated parts of a biome may resemble one another as a result of ________.
a. competitive interactions
b. morphological convergence
c. morphological divergence
d. coevolution

Zachary Papazian
Zachary Papazian
Numerade Educator
06:31

Problem 15

Match the terms with the most suitable description.
________tundra
________chaparral
________desert
________savanna
________estuary
________boreal forest
________pelagic province
________tropical rain forest
________hydrothermal vents
a. broadleaf forest near equator
b. partly enclosed by land; where fresh water and seawater mix
c. African grassland with trees
d. low-growing plants at high latitudes or elevations
e. dry shrubland
f. at latitudes $30^{\circ}$ north and south
g. mineral-rich, superheated water supports communities
h. conifers dominate
i. deep ocean

Scott Rhodes
Scott Rhodes
Numerade Educator