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Biology Concepts and Applications

Cecie Starr, Christine A. Evers, Lisa Starr

Chapter 41

Community Ecology - all with Video Answers

Educators

Chapter Questions

01:19

Problem 1

The type of place where a species typically lives is called its
a. niche
b. habitat
c. community
d. population

John Vanschoick
John Vanschoick
Numerade Educator
02:57

Problem 2

Which cannot be a symbiosis?
a. mutualism
b. parasitism
c. commensalism
d. interspecific competition

John Vanschoick
John Vanschoick
Numerade Educator
00:55

Problem 3

Lizards that eat flies they capture on the ground and birds that eat flies they catch in the air are engaged in
___________ competition.
a. exploitative
b. interterence

John Vanschoick
John Vanschoick
Numerade Educator
01:06

Problem 4

_____________ can lead to resource partitioning.
a. Mutualism
b. Parasitism
c. Commensalism
d. Interspecific competition

John Vanschoick
John Vanschoick
Numerade Educator
02:56

Problem 5

Match the terms with the most suitable descriptions.
a. one free-living species kills and eats another
b. two species interact and both benefit by the interaction
c. two species interact and one benefits while the other is neither helped nor harmed
d. one species feeds on another but usually does not kill it
e. two species access the same resource
mutualism
parasitism
commensalism
predation
interspecific
competition

John Vanschoick
John Vanschoick
Numerade Educator
01:24

Problem 6

A tick is a(n) __________
a. brood parasite
b. ectoparasite
c. endoparasite

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John Vanschoick
Numerade Educator
01:34

Problem 7

______________ species are the first to colonize a new habitat.
a. Pioncer b. Endemic c. Climax d. Exotic

John Vanschoick
John Vanschoick
Numerade Educator
00:50

Problem 8

By the currently favored hypothesis, species richness of a community is greatest when disturbances are of a(n) ____________ intensity and frequency.
a. low
b. intermediate
c. high
d. variable

John Vanschoick
John Vanschoick
Numerade Educator
01:27

Problem 9

Growth of a forest in an abandoned corn ficld is an example of ____________
a. primary succession
b, resource partitioning
c. secondary succession
d. competitive exclusion

John Vanschoick
John Vanschoick
Numerade Educator
01:22

Problem 10

Species richness is greatest in communities
a. near the equator
b. in temperate regions
c. near the poles
d. at high elevations

John Vanschoick
John Vanschoick
Numerade Educator
00:50

Problem 11

A(n)____________ has another species rear its young.
a. mutualist
b. pioneer species
c. brood parasite
d. exotic species

John Vanschoick
John Vanschoick
Numerade Educator
01:26

Problem 12

Herbivory benefits _________
a. the herbivore
b. the plant
$c,$ both a and $b$
d. neither a nor b

John Vanschoick
John Vanschoick
Numerade Educator
03:06

Problem 13

Match the terms with the most suitable descriptions.
a. greatly affects other species
b. species that lives only where it evolved
c. more species on large islands than small ones at same distance from the source of colonists
d. species that is especially sensitive to changes in the environment
e. allows competitors to coexist
f. often outcompete, displace native species of established community
area effect
endemic
species
indicator
species
keystone
species
exotic species
resource
partitioning

John Vanschoick
John Vanschoick
Numerade Educator