Affect relationship of mother organisms behaving in a way that increases the probability that they will have offspring that survive. How are their strategies different?
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- Which of the following set of characteristics would best described a K-selected species (e.g. an elephant)? early reproduction with many, small offspring and short-lived early reproduction with few, large offspring and short-lived late reproduction with few, large offspring and long-lived O late reproduction with many, small offspring and long-livedWhy is long-term parental care not associated with having many offspring during a reproductive episode?According to Grimes model, which characteristics (life history traits) apply to individuals in the "Competitive" strategy? Question 10 options: The offspring have a high survival rate All of these They produce relatively few offspring They are very mobile They invest very little in their offspring They have an older age of maturity
- The theory that is based on four principles that describe how organisms who are well-adapted to their environment survive to produce offspring is calledMatch 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 ]Define the term ‘biological success’. Using labelled diagrams where appropriate, explain clearly why insects can be considered to be a biologically successful group. (400- maximum word limit)
- Assume that a scorpion presents a meal to a partner to entice them to mate. This would be an example of which of the following? Delayed Benefits Indirect Benefits Intrasexual selection Direct benefitsWhat is the role of group behavior on individual and species' chances to survive and reproduce?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
- Read 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.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