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Human Biology

Sylvia S. Mader, Michael Windelspecht

Chapter 25

Human Interactions with the Biosphere - all with Video Answers

Educators


Chapter Questions

04:01

Problem 1

When the carrying capacity of the environment is exceeded, the population will typically
a. increase, but at a slower rate.
b. stabilize at the highest level reached.
c. decrease to the level of the carrying capacity.
d. go extinct.

Danielle Ashley
Danielle Ashley
Numerade Educator
03:56

Problem 2

The growth rate of a population is equal to
a. the death rate $+$ the fertility rate.
b. the biotic potential.
c. the carrying capacity - the death rate.
d. the birth rate - the death rate.
e. None of these are correct.

Danielle Ashley
Danielle Ashley
Numerade Educator
03:12

Problem 3

The maximum growth rate of a population under ideal conditions is called the
a. carrying capacity
b. fertility rate.
c. birthrate.
d. death rate.
e. biotic potential

Danielle Ashley
Danielle Ashley
Numerade Educator
04:15

Problem 4

Which of the following is not a renewable resource?
a. fossil fuels
b. solar energy
c. wind energy
d. death rate.
e. biotic potential.

Danielle Ashley
Danielle Ashley
Numerade Educator
10:56

Problem 5

Which of the following indicates a need for water conservation?
a. decreased recharge rate of aquifers
b. formation of sinkholes
c. saltwater intrusion
d. increased agricultural runoff
e. All of these are correct.

Danielle Ashley
Danielle Ashley
Numerade Educator
02:25

Problem 6

In which of the following is biological magnification most pronounced?
a. the top organism of aquatic food chains
b. the top organism of terrestrial food chains
c. decomposers
d. producers
e. Both a and c are correct.

Danielle Ashley
Danielle Ashley
Numerade Educator
01:09

Problem 7

Complete the following graph by labeling each bar with a cause of extinction, from the most influential to the least.

Courtney Burson
Courtney Burson
Numerade Educator
05:13

Problem 8

Which of the following is an indirect value of species?
a. participation in biogeochemical cycles
b. participation in waste disposal
c. provision of fresh water
d. prevention of soil erosion
e. All of these are correct.

Danielle Ashley
Danielle Ashley
Numerade Educator
04:30

Problem 9

Which feature is part of a sustainable society?
a. recycling and composting
b. use of mass transit in urban environments
c. integrated pest management to control crop damage
d. preservation of wetlands
e. All of these are correct.

Danielle Ashley
Danielle Ashley
Numerade Educator
04:53

Problem 10

Which feature is associated with the sustainability of a rural society?
a. planting cover crops when farming
b. using green roofs
c. designing energy-efficient transportation systems
d. making areas more pedestrian- and bike-friendly
e. All of these are correct.

Danielle Ashley
Danielle Ashley
Numerade Educator