Most observed human variation changes gradually, rather than having discrete boundaries as expected - this gradual change is referred to a cine slow change gradient clinal Stry
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- 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…Evolution occurs at which level of biological organization? species O populations individuals cells Evolution may occur at any of these levelsTool 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 Characteristic
- The broad thin ears of this African elephant help dissipate heat during hot days of its habitat - a trait that makes the survival of the organism possible in that habitat. This is an example of response to stimulus growth and development hierarchial order of organism evolutionary adaptation inter-species interactionNatural selection results in the adaptation of organisms to the circumstances of their way of life and their environment True or FalseWhich of the following is NOT principle of Darwinian evolution? OOffspring resemble their parents more closely than unrelated individuals. Darwinian evolution fully describes where all living things come from. O In any given environment, some individuals are more successful at surviving and reproducing than others. There is variation in morphology, physiology, and behavior among individuals in a population.
- a statement of how sexual selection differs from natural selection has to be a statement that is wrrtien in a essayWhat is NOT a product of evolution? O Adaptations O The great chain of being O Vestigial organs O BiodiversitySimilar anatomical structures shared by related species are called..." Palatial Structures Homologous Structures Analogous Structures Vestigial Structures Sign c Lenovo 40 Co esc & 1 %23 2$ % 3\ 4. 6. 01 1. 21 e r t y tab f a V shift alt ctrl alt
- WRITE ABOUT A THEME: Organization You have seenmany examples of how form fits function at all levels of thebiological hierarchy. However, we can imagine forms thatwould function better than some forms actually found innature. For example, if the wings of a bird were not formedfrom its forelimbs, such a hypothetical bird could fly yet alsohold objects with its forelimbs. In a short essay (100–150words), use the concept of “evolution as tinkering” to explainwhy there are limits to the functionality of forms in nature.Which of the following statements about natural selection is not true? O Natural selection operates according to differential reproductive success of individuals. O Natural selection usually predominates in small population only. O The cumulative effects of natural selection gives rise to individuals that can survive in a specific environment. O Natural selection results in evolution when individuals with higher survival and reproductive rates pass on these traits to their offspring.When the better adapted organisms survive to pass traits along to offspring. This is known as O Evolution O Natural Selection Extinction O Artifical Selection