Exam 5: Ecosystems and Living Organisms

A) having a large brain size in comparison to body mass.
B) having the appearance of twigs or leaves.
C) warning coloration.
D) assembling in herds, schools, or other types of animal groups.
E) producing toxins.

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A) Predation only favors the predator, leading to evolution of more efficient ways to catch prey.
B) Predation only favors the prey, leading to evolution of more efficient ways to escape predators.
C) Predation exerts a selective force on the prey, favoring characteristics that reduce the probability of capture.
D) Predation exerts a selective force on the predator, favoring characteristics that reduce the probability of prey capture.
E) Predation has no evolutionary consequences for either the predator or the prey.

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A) ambush
B) warning coloration
C) camouflage
D) pursuit speed
E) intelligence

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A) G. F. Gause
B) Rachel Carson
C) Ponce de Leon
D) Charles Darwin
E) Aristotle

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A) predation conflicts
B) diebacks
C) biotic potential
D) environmental resistance
E) fertility factors

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A) The probability of survival decreases with age.
B) The probability of survival increases with age.
C) It is characteristic of redwood trees.
D) It is characteristic of humans.
E) It is characteristic of adult gulls.

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A) It has a high intrinsic rate of growth.
B) The onset of reproduction is at an early age.
C) There is extensive parental care of offspring
D) It is likely to occur in variable environments
E) There are many offspring per reproductive event.

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A) meets
B) undershoots
C) overshoots
D) oscillates around
E) reduces

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A) bacteria
B) cats
C) cockroaches
D) mice
E) whales

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Competition occurs when two or more indi...

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A) disease
B) the salinity of the soil
C) the amount of rainfall
D) temperature range
E) hurricane

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A) two or more individuals attempting to use an essential common resource.
B) one organism consuming another organism, which may be a plant or animal.
C) organisms living together.
D) a relationship where one organism benefits and the other is adversely affected.
E) a relationship that only exerts selective (evolutionary) force on the prey.

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A) a close interrelationship where both species benefit
B) a close interrelationship where one species benefits and the other is not affected
C) a close interrelationship where one species benefits and the other is adversely affected
D) a coevolved relationship between members of two or more species
E) All of these choices are correct

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A) the total number of individuals.
B) the total number of individuals of a given species.
C) the total number of individuals per unit of area.
D) the total number of individuals of a given species per unit of area.
E) the total number of individuals of a given species per unit of area at a given time.

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A) natural selection.
B) ecology.
C) coevolution.
D) mutualism.
E) herbivory.

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A) 1
B) 2
C) 3
D) 4
E) 1 and 3

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A) deer
B) white pine
C) gray wolves
D) lichen
E) rabbit

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A) lack a nuclear envelope and other internal cell membranes.
B) able to photosynthesize
C) multicellular
D) ingest food and then digest it within their bodies
E) only found in oxygen-deficient environments

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