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- Explain the relationship between primate mating groups and sexual dimorphism.What causes sexual dimorphism? Give some examples of sexually dimorphic species, and why you think that form of sexual dimorphism arose.Which of the following IS TRUE about sexual dimorphism (choose all that apply)? Group of answer choices it refers to morphological differences between the sexes it refers to the principles of selecting reproductive partners No answer text provided. in represents a form of intraspecific variation
- give one species that is classified or exhibit the following: male to male combat show a photograph of it with its sexual traits (body stuctures, behavior, etc) and how these traits help their reproduction. explaingive one species that is classified or exhibit the following: sex-role reversal show a photograph of it with its sexual traits (body stuctures, behavior, etc) and how these traits help their reproduction. explainIn seahorses, males incubate and care for offspring. Thus, the males are more likely to be tied up in reproduction at any point in time relative to females. Which sex do you predict will be the choosey sex in this species and why? Males -- because fewer are available to mate Males – because male-male competition is incredibly strong Females – because sperm are cheap to produce Female – because the operational sex ratio is biased in their favor The sperm of chimpanzees have faster swimming speeds than those of gorillas. Based on what you know about sperm competition, what would you predict about differences between these two species in female re-mating frequency and sperm viability? In chimps, females mate only once and sperm are viable for only a day In chimps, females mate multiply and sperm live for a long time In chimps, females mate only one, and sperm live for a long time In chimps, females mate multiply, and sperm live for only a day Which of the following sexual traits is…
- Provide three different examples of how female choice has influenced the evolution of a species. At least one should be an example form humans or closely related primates.Define sexual selection among primates (including both female choice and male competition) and explain how it shapes sex characteristics among primates. References are the books "Primate Behavioral Ecology" by Karen Strier and "Planet Without Apes" by Craig StanfordWhich of the following statements is most likely behaviorally when applied to a male primate with a large diastema, honing canines, and is extremely sexually dimorphic when compared to other primate species? Group of answer choices
- Polygyny is a common mating system in nature. Which one of the following scenarios is LEAST likely to result in a polygynous mating system? Male stalk-eyed flies form leks where receptive females come visit Male Neotropical giant damselfly defend water-filled tree holes, which are the oviposition sites for females. Suitable tree holes for oviposition are rare and females must mate with the resident male in exchange for access to the oviposition sites. Male Bengal tigers defend large territories that contain food sources. Female Bengal tigers visit male territories to mate. The density of the Bengal tiger is extremely low that male tigers rarely encounter more than one female in their lifetime. In the bumblebee-wolf Philanthus bicinctus, females are unreceptive until they finish constructing the long underground burrow as nest sites. Males search for locations containing a number of newly constructed burrows and attempt to control these sites against the intruders. Your cousin Peter…We discussed environmental sex determination in reptiles, where the sex of the individual is determined by environmental factors rather than chromosomes. Which of the following modes of sex determination would also fit that category? hermaphroditic earthworms hermaphroditic hermaphroditic all of the above nudibranchs (the "penis fencers") coral reef fishWhat are the key behavioral characteristics of the patas monkey? For example, preferred habitat, activity pattern (diurnal, nocturnal), ecology, diet (insectivore, gumivore, frugivore, folivore, etc.) locomotor pattern or patterns, and social structure. Include observations of sexual dimorphism if present in this species.