Ecology exam, chapters 8 through 12
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | ability of the male to provide resources
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| A sexual system where a male gorilla mates with several females, forming pair bonds with each of them, is called what? | show 🗑
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| show | that they would likely be small in size
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| show | peak at 10 billion
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| show | helpless at birth and require relatively little time for incubation and gestation
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| An advantage to sexual reproduction is what? | show 🗑
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| An animal with high fecundity is predicted to have what? | show 🗑
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| An individual plant that possesses both male and female reproductive organs is known as ____ | show 🗑
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| An individual with a large, high quality territory is likely to have what? | show 🗑
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| An insect larva that is immediately ready to move and feed after birth is termed _____ | show 🗑
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| show | density-independent mortality
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| show | higher reproduction later in life
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| show | increasing age at maturity
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| Heightened male to male aggression around female mates is likely the result of what? | show 🗑
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| show | dioecious
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| show | decreased reproductive output
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| show | larger initial body size during the first reproduction event
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| show | phenotypic plasticity
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| show | perennial plants
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| Members of the California sheephead fish species begin their life as females and then become males. This is referred to as ____ | show 🗑
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| Pacific salmon migrate upstream and after breeding, soon die. They are termed _____ | show 🗑
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| show | ants and bees
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| Reproductive success of an organism is best measured by its what? | show 🗑
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| Small and short-lived plants that rapidly colonize disturbed sites are classified by J. Phillip Grime as ____ | show 🗑
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| Successful reproduction can result in a ______ | show 🗑
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| The behavioral, physiological, and energetic activities involved in current reproduction result in _____ | show 🗑
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| The data in Figure 10.7 support which of the following trade-offs? (Figures are of (1 - tree) relative width of annual rings to the mean number of cones per tree and (2 - fish) absolute fecundity and specific growth rate) | show 🗑
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| The K in the term K-strategist refers to what? | show 🗑
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| The mating system in which males and females mate with one or many of the opposite sex and form no pair bond is known as ______ | show 🗑
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| show | intrasexual selection
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| show | iteroparity
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| show | size of offspring is correlated with number of offspring
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| show | monogamous
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| Which of the following is associated with asexual reproduction? a. parthenogenesis b. monoecious hermaphrodites c. hermaphrodites d. monogamy | show 🗑
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| show | many nectar bearing flowers
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| show | Fecundity
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| ____ selection occurs when members of the same sex compete for access to the opposite sex | show 🗑
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| ____-strategists are competitive species with stable populations of long-lived individuals. | show 🗑
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| Allocation of energy to reproduction reduces the amount of resources available for _____ | show 🗑
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| An organism's _____ is its lifetime pattern of growth, development, and reproduction | show 🗑
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| show | Leks
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| Habitats that are variable in time or short lived will favor ____-strategists | show 🗑
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| show | Precocial
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| Natural selection favors the age at maturity that results in the greatest number of ____ produced over the lifetime of an individual | show 🗑
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| show | semelparous
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| show | monogamy
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| The number of seeds produced by a plant is ____ correlated with the size of the seeds. | show 🗑
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| The objective of reproduction is to maximize the relative ____ of the individual. | show 🗑
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| show | reaction
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| show | reproductive effort
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| show | polyandry
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| T/F: All species of animals provide parental care. | show 🗑
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| T/F: As the number of offspring produced increases, the probability of their survival decreases. | show 🗑
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| T/F: Defending a breeding territory increases an animal's probability of future survival. | show 🗑
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| T/F: Extrinsic ecological factors such as the physical environment and the presence of predators or competitors influence age specific rates of mortality and survivorship. | show 🗑
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| show | True
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| show | False
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| T/F: In some species of birds, males with the brightest plumage have the fewest parasites. | show 🗑
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| T/F: Most species of vertebrates are iteroparous. | show 🗑
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| show | True
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| T/F: Polyandry is more common than polygyny. | show 🗑
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| T/F: Polygyny is more likely to occur as differences in territory quality increase between territorial males. | show 🗑
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| show | True
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| show | False
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| T/F: Species that are r-strategists are usually larger than those that are K-strategists. | show 🗑
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| T/F: The phenotype expressed by a single genotype can be affected by environmental conditions. | show 🗑
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| show | False
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