Exam 2 BIO320
Which of the following is not a feature of a population?
A) size
B) density
C) number of species
D) distribution - CORRECT REPLY -C
A group of local subpopulations is called a(n)
A) community.
B) species.
C) metapopulation.
D) ecogroup. - CORRECT REPLY -C
A population's density is calculated as the
A) area over which the population is distributed.
B) number of individuals within the population.
C) unit of area divided by the number of individuals.
D) number of individuals per unit area. - CORRECT REPLY -D
,A population that is increasing in size has an intrinsic rate of
population growth (r) that is
A) < 0.
B) = 0.
C) > 0.
D) > 1. - CORRECT REPLY -C
When the conditions are favorable for a population at low density,
such as when a species colonizes a new environment, population
growth is typically
A) exponential.
B) logistic.
C) tangential.
D) dynamic. - CORRECT REPLY -A
Most life tables have been constructed for
A) short-lived plants.
B) insects.
C) short-lived vertebrates.
D) long-lived mammals. - CORRECT REPLY -D
,If survival rates do not vary with age, as in many species of perennial
plants, reptiles, adult birds, and rodents, survivorship curves are
typically
A) type I.
B) type II.
C) type III.
D) type IV. - CORRECT REPLY -B
Reproductive success of an organism is best measured by its
A) fitness.
B) ability to attract a mate.
C) number of offspring that survive to reproduce.
D) life span. - CORRECT REPLY -C
In long-lived species of organisms, the primary advantage of delaying
reproduction (late maturity) is
A) increased survivorship.
B) obtaining a better quality territory.
C) increased number of mates.
D) larger initial body size during the first reproduction event. -
CORRECT REPLY -D
, The reproductive strategy in which relatively few young are produced
at repeated intervals during an individual's life is referred to as
A) semelparity.
B) iteroparity.
C) altricial.
D) precocial. - CORRECT REPLY -B
When one male mates and stays with one female, the relationship is
called
A) polygamous.
B) monogamous.
C) monoecious.
D) promiscuous. - CORRECT REPLY -B
The demographic age pyramid of a rapidly growing population is
A) wide at the base, narrow at the top.
B) wide at the top, narrow at the bottom.
C) wide at top and bottom, narrow in the middle.
D) similarly wide from top to bottom. - CORRECT REPLY -A
The movement of individuals in space is called
A) distribution.
Which of the following is not a feature of a population?
A) size
B) density
C) number of species
D) distribution - CORRECT REPLY -C
A group of local subpopulations is called a(n)
A) community.
B) species.
C) metapopulation.
D) ecogroup. - CORRECT REPLY -C
A population's density is calculated as the
A) area over which the population is distributed.
B) number of individuals within the population.
C) unit of area divided by the number of individuals.
D) number of individuals per unit area. - CORRECT REPLY -D
,A population that is increasing in size has an intrinsic rate of
population growth (r) that is
A) < 0.
B) = 0.
C) > 0.
D) > 1. - CORRECT REPLY -C
When the conditions are favorable for a population at low density,
such as when a species colonizes a new environment, population
growth is typically
A) exponential.
B) logistic.
C) tangential.
D) dynamic. - CORRECT REPLY -A
Most life tables have been constructed for
A) short-lived plants.
B) insects.
C) short-lived vertebrates.
D) long-lived mammals. - CORRECT REPLY -D
,If survival rates do not vary with age, as in many species of perennial
plants, reptiles, adult birds, and rodents, survivorship curves are
typically
A) type I.
B) type II.
C) type III.
D) type IV. - CORRECT REPLY -B
Reproductive success of an organism is best measured by its
A) fitness.
B) ability to attract a mate.
C) number of offspring that survive to reproduce.
D) life span. - CORRECT REPLY -C
In long-lived species of organisms, the primary advantage of delaying
reproduction (late maturity) is
A) increased survivorship.
B) obtaining a better quality territory.
C) increased number of mates.
D) larger initial body size during the first reproduction event. -
CORRECT REPLY -D
, The reproductive strategy in which relatively few young are produced
at repeated intervals during an individual's life is referred to as
A) semelparity.
B) iteroparity.
C) altricial.
D) precocial. - CORRECT REPLY -B
When one male mates and stays with one female, the relationship is
called
A) polygamous.
B) monogamous.
C) monoecious.
D) promiscuous. - CORRECT REPLY -B
The demographic age pyramid of a rapidly growing population is
A) wide at the base, narrow at the top.
B) wide at the top, narrow at the bottom.
C) wide at top and bottom, narrow in the middle.
D) similarly wide from top to bottom. - CORRECT REPLY -A
The movement of individuals in space is called
A) distribution.
