Exam 1

A  form complex social coalitions.

B  visually distinguish kin from nonkin.

C  use tools.

D  have self-awareness and understand the mental states of other individuals.

A  Unlike humans, chimpanzee and bonobo females are only sexually receptive when they can conceive.

B  Chimpanzee females are typically more aggressive than males when in estrus.

C  Bonobo females display an honest advertisement of estrus to males which allows for known paternity and reduces violence among male bonobos

D  Bonobo females are sexually receptive and show signs of estrus even when they can’t conceive

A  sperm competition

B  sociobiology

C  his research on bonobo sexual behavior

D  selfish gene theory

A  False

B  True

A  True

B  False

A  False

B  True

A  Have riskier behavior when there is a chance of loss

B  Value grapes more than cucumbers

C  Accumulate resources to impress mates

D  Save resources for anticipated future needs

A  True

B  False

A  False

B  True

A  True

B  False

A  False

B  True

A  Darwin’s survival of the fittest

B  Organisms that can adapt are the ones that evolve within their lifetime

C  A change in allele frequency over generations

D  Natural selection causes adaptations over time

A  True

B  False

A  True

B  False

A  False

B  True

A  a new environment that a species is already adapted to

B  a new environment that a species is not yet adapted to

C  a new environment that causes mass extinctions thereby speeding up the evolutionary process

D  a new environment that triggers mutations, such as exposure to radioactive materials

A  sexual selection

B  genetic drift

C  gene flow

D  natural selection

A  Chimpanzees have hidden estrus.

B  Bonobos use gentio-genital rubbing to relieve tension.

C  Humans females have evolved unique sexual swellings that advertise sexual receptivity to males

D  Bonobos have a strong male dominance hierarchy

A  Monogamy

B  Polygyny

C  Polyandry

D  Tending Bonds

A  Mating effort has a larger fixed cost than parental effort

B  Parental effort specialists tend to have fewer offspring than mating specialists

C  In most non-human species, females tend to be mating specialists

D  Risk taking is more profitable for mating effort specialists

A  chimpanzee males are aggressive because they compete for food

B  chimpanzee males are aggressive because they compete for territorial range

C  chimpanzee males are aggressive because they compete for females

D  chimpanzee male aggression has been selected for as more aggressive males have been more reproductively successful over generations

A  sociobiology theory

B  sexual selection

C  behavioral ecology

D  natural selection

A  Females are better at map reading.

B  Males are better able to navigate by recalling the location of objects.

C  Females are better at mental rotation tasks.

D  Females are better at navigating by landmarks.

A  birds fly south because they have evolved adaptations that allow them to migrate to seasonally strategic habitats

B  birds fly south because they are cold

C  birds fly south because there is more food

D  birds fly south because they have want to have babies where it is warmer to increase their survival

A  single-male, multi-female

B  pair bonding

C  multi-male, multi-female

D  genetic monogamy

A  the infant is ill or born with deformities

B  All of the answers are correct.

C  males eliminate a competitor’s genes and females resume fertility

D  a mother is alone and without resources and support

A  Under normal conditions, dominant females tend to be more reproductively successful than lower ranking females 

B  Dominant females tend to have more offspring within their lifetime compared to dominant males

C  Dominant females tend to lack parental investment

D  Under normal conditions, dominant females experience more stress which decreases their reproductive success

A  Humans, like other species, are innately selfish with a goal of reproductive success

B  The theory of evolution is fundamentally flawed

C  Genes do not determine behaviors in humans but rather provide humans with behavioral flexibility

D  Genes are just passive recorders of what worked better than what

A  scramble competition

B  harem

C  monogamy

D  leks

A  His research on bonobo sexual behavior

B  Sociobiology Theory

C  Discovering sperm competition

D  The Selfish Gene Theory