pls help and explain what are some physiological, behavioral, or antamoical similiarties of a brown-throated sloth and koala and explain if this is from convergent evolutuon
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- Tool making and use is a trait shared only be a few primate species on Earth. This ability is a result of a collection of structures (opposable thumbs, large brain) that allow for this function. Tool making and use would be an example of a(n) Emergent Property Structure Defining Function O Adaptation O Individual CharacteristicWhat behavioral trait(s) prevents interbreeding between different finch species?must DC auypt at sppottmg and Handng prey icIS tlat woUld TathoI Hot OC SCCH and CatCI. II a popuration of prey randomly acquires a mutation that happens to make them blend in more with their environment (i.e. become cryptic), then predators are going to have a harder time finding prey visually. Given how difficult predation is generally, most predators have evolved strategies to minimize their search when hunting. Therefore, prey individuals carrying this new cryptic mutation are more likely to avoid detection as predators focus on and eat relatively more of the individuals that stand out in their habitat. In this way, we can have differential survival and reproduction of prey individuals based on how their heritable phenotype varies in the population- in other words, natural selection can favor cryptic coloration in predator-filled environments. However, natural selection only 'sees' phenotypes, it does not act on organisms' genotypes directly. Therefore, to understand how a trait is…
- of this =rab or ditions ionary escen- se or 5. Describe two examples of vestigial structures that you can find among the Caminalcules. These are structures that have been reduced to the point that they are virtually useless. Ear muscles and the tail bones are examples of vestigial structures in our own species. Explain how vestigial structures provide clues about a species' evolutionary past. Illustrate your argument with vestigial structures found in humans or other real species.Describe and give example of Temporal in adaptation and speciation.Describe how changes in the ladybugs'environment may influence their survival and/or reproduction. Make sure to use the vocabulary terms adaptation, natural selection, and polymorphic.
- Answer the following questions regarding adaptive and non-adaptive developmental plasticity: a) Define adaptive developmental plasticity, providing at least one example of a case study b) Define non-adaptive developmental plasticity, providing at least one example of a case study c) Describe at least one way in which adaptive developmental plasticity and non-adaptive developmental plasticity differ.Abobrding te Oarwin, seusseledion can plan he evolution ot costly survival decrensing traits Explain the alternative theories for the evolution of female preference for exaggerated male traits. Female choice Sometimes the attributes chosen by temales male obvioun sense jeg the site otanuptiaigift amounte parental care Butofen the adaptive dventage of seually prelered traits is not immedateyclear (e bright bolors. complex songs and dances) What is the good genes hypothesis? Convergenttendency forpreferng males with exaggerated traits "Why should femoles have o prefeirence for exaogenated rale traits Exaggerated traits may aptualy de diva chancesof survival in her male offspring How can femaie preference forexaggeratec male traits volve? Possible explanation for female prelerence for costly and survival reducing exaggerated male traits Good genes and healthy mate theornes The trait somehoe comelates h the maie's quaity healthy mate good genes) 2 The ait provides a females with genes for…Similar gill pouches in embryos of a chick, human, and cat are an example of genetic homology O structural homology the inheritance of acquired characters O developmental homology
- Explain the rationales behind ecological and social models of the evolution of primate cognitive abilities. References are the books "Primate Behavioral Ecology" by Karen Strier and "Planet Without Apes" by Craig StanfordEuropean cuckoos and American cowbirds are “brood parasites” that laytheir eggs in the nests of other birds. The chicks are generally raised by“adoptive parents” whose own chicks receive less food and often arekilled by the larger intruders. What kinds of behaviors does naturalselection favor in the cuckoo and cowbird chicks? In the adoptive parents?ed to court femaigs and to defend tertory What kind of traits result from Competition Tor mates Sexually selected traits lin most species males can potentially have a huge number of offspring, but in order to realize even a fraction of their reproductive potential, they have to compete with other males (because the number of female eggs is a limiting factor, and because females evolved to be picky). Omaments on males and structures used to compete for mstes (antlers) selective pressure on males from competition with other males over females? - Behaviors such as bower construction, that are -Energeticaty expensive --Ridoulously conspiouous -Am lkely to reduce chances ofsurvival Why do males from very distant species have similar traits? Competition is costly Sexuaily selected troits Male dung beetiehorms develop at the Expense of eye site Sexual selection helps explain phenomena that do not make evolutionarysense in the context of dealing with other aspeets of the environment • Climate…
