Which reproductive strategy is correctly paired with its example or description? . r-strategist; high mortality rates r-strategist; elephants k-strategist; rabbits k-strategist; many offspring
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Which reproductive strategy is correctly paired with its example or description?
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- Is the following case study an r-strategists or a K-strategists? Andean condors reach sexual maturity at five to six years. Reproduction is slow; females lay only one or two eggs every other year. Offspring are cared for by both parents for at least one year. Andean condors are long-lived and can survive for seventy to seventy-five years.Is the following case study an r-strategist or a K-strategist? American toads practice explosive reproduction. During the first warm days in spring, both males and females migrate from forests and converge on ponds. Reproduction is quick, taking only a few days. Females lay hundreds of eggs in jelly-filled sacks along the sides of the pond or stream. As soon as the eggs are laid, males and females abruptly leave the pond. Offspring are left to develop, hatch, and grow on their own, maturing in about three months.Brood parasitism is considered altruistic because the “parasite”? Manipulates the host parent into selflessly rearing a foreign egg Uses a nest of their same species Is the actual, true parent of the nest Leaves the hatchling with a sibling
- In an iteroparous species lifetime fitness is maximized at investment, while in semelparous species level of reproductive an intermediate maximal effort is exerted in a single reproductive event Maximal an intermediate effort is exerted in one of many reproductive events an intermediate minimal effort is exerted in a single reproductive event maximal an intermediate effort is exerted in a single reproductive event an intermediate maximal effort is exerted in one of many reproductive eventsWhich of the following habitat and life history traits would you expect in a species that reproduces sexually, reaches sexual maturity relatively quickly, and provides little parental care? Choose all that apply. A heavy parasite load A predictable environment A low parasite load An unpredictable environment A small number of eggs per reproductive effort A large number of eggs per reproductive effortMatch the type of organisms with the appropriate type of offspring production. Birds v [ Choose ] Viviparity Ovoviviparity Oviparity Some sharks Gorillas [ Choose ] Most if not all frogs [ Choose ] Mice [ Choose ]
- Which of the following observations or hypotheses is most consistent with the Bateman-Trivers paradigm? sperm are frail and few can actually fertilize an egg males attempt to secure large territories to attract many females male spiders mate only once are sometimes eaten by females O females seek many mates to ensure genetic diversity in their youngWhat is Bateman's principle? Bateman's principle Lots of sperm Feweggs Sperm must compete over eggs Vria iepaduivesc ie mudigae in males tan in female The vane isame ete emity of sa elecion Males must compete overfemales Lots of sperm Feweggs A Terrnitoral males direct more courtship dispiays towards females that have shown up on their teritory for the first time compared to long term females companions. Males must maimce the number of mates Preferencefor "new females A single bird eggmay constitute 15-20% of female's body mass Lots of sperm Few eggs Females must maimize reproductive success per egg CS Scanned with CamScannerAmniotic eggs, compared to non-amniotic eggs, are a useful adaptation for Decreasing the amount of resources taken from the mother per egg Allowing mass amounts of offspring to be produces quickly Increasing the potential geographic range of species None of the above
- What is a characteristic of Mullerian mimicry? multiple species share the same warning coloration all of the species involved have actual predation defenses only one of the species is actually toxic, the others are harmless Lit always involves some type of camouflageRead this quote from Charles Darwin (from Origin of Species). What is he describing? "Thus, I can understand how a flower and a bee might slowly become, either simultaneously or one after the other, modified and adapted to each other in the most perfect manner, by the continued preservation of all the individuals which presented slight deviations of structure mutually favorable to one another." An interaction network. A predator/prey cycle. O Coevolution. An obligate mutualism.Infanticide by adult males… Group of answer choices is rare in most primate groups is not resisted by females, including the mother may be a strategy used to maximize an individual’s own reproductive success is performed as a means of intentional population control to limit overpopulation appears to serve no function other than domination of a group by a new alpha male