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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| show | polygyny
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| show | that they would likely be small in size
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| According to the latest data, the global human population is predicted to do what? | show 🗑
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| Altricial young are relatively what? | show 🗑
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| show | increased genetic variability
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| An animal with high fecundity is predicted to have what? | show 🗑
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| show | perfect
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| show | increased mating success
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| show | precocial
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| An r-strategist is characterized by what? | show 🗑
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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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| Human reproductive systems are best described as what? | show 🗑
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| If infant mortality rates are declining, how can the overall population growth rate slow down? | show 🗑
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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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| In which of the following groups of organisms are most species iteroparous? | show 🗑
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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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| Parental care is best developed among _____ | show 🗑
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| show | number of offspring that survive to reproduce
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| show | R species
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| Successful reproduction can result in a ______ | show 🗑
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| show | reduced future survival, fecundity, and growth
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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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| show | carrying capacity
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| show | promiscuity
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| The preferential selection by a female of a male peacock with the longest tail feathers and the most eyespots on the tail feathers is an example of what? | show 🗑
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| The reproductive strategy in which relatively few young are produced at repeated intervals during an individual's life is referred to as ____ | show 🗑
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| These data support the trade-off that ____ (Figure is of (1 - plant) number of seeds per stem and mean weight and (2 - mouse) body mass and litter size) | show 🗑
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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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| Which of the following would be most attractive to a female hummingbird? A mate protecting a territory with ____ | show 🗑
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| show | Fecundity
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| show | IntrAsexual
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| ____-strategists are competitive species with stable populations of long-lived individuals. | show 🗑
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| show | Growth
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| An organism's _____ is its lifetime pattern of growth, development, and reproduction | show 🗑
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| Communal courtship grounds, or _______, are areas where makes congregate to display to females. | show 🗑
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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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| Organisms that invest all their energy into growth, development, and energy storage, followed by one massive reproductive effort and then death are called _____ | show 🗑
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| show | monogamy
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| show | negatively
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| show | fitness
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| show | reaction
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| show | reproductive effort
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| show | polyandry
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| show | False
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| T/F: As the number of offspring produced increases, the probability of their survival decreases. | show 🗑
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| show | False
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| show | True
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| T/F: Fecundity increases with body weight. | show 🗑
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| T/F: In polygynous species of animals, males usually choose their mates, and females, because they are smaller and weaker, must comply. | show 🗑
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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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| show | True
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| show | True
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| show | False
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| show | True
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| show | True
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| T/F: Sexual dimorphism occurs when males and females are so similar morphologically that they are difficult to distinguish. | show 🗑
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| show | False
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| T/F: The phenotype expressed by a single genotype can be affected by environmental conditions. | show 🗑
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| T/F: Weedy plants are considered to be K-strategists. | show 🗑
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Created by:
phebe
Popular Ecology sets