Evolution Study guides, Revision notes & Summaries

Evolution Latest Update Graded A+ species A group of similar organisms that can breed and produce fertile offspring. fossil A trace of an ancient organism that has been preserved in rock adaptation A trait that helps an organism survive and reproduce evolution Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms. scientific theory A well tested concept that explains a wide range of observations natural selection Process by which ind...

Evolution Questions and Answers Already Graded A adaptive radiation (divergent evolution) process by which a single species or small group of species evolves into several different forms that live in different ways; rapid growth in the diversity of a group of organisms analogous structures is a trait or an organ that appears similar in two unrelated organisms anatomical homology similar body structures among different species from a common ancestor biogeography is the study of the distributio...

Evolution Exam 1 Study Guide questions and answers well illustrated 2023. Biological evolution - correct answers.Any change in the inherited traits of a population that occurs from one generation to the next (i.e., over a time period longer than the lifetime of an individual in the population) Change has to be passed down Encoded in genes Natural Selection - correct answers.Mechanism that can lead to evolution, whereby differential survival and reproduction of individua...

Evolution-Exam 2 questions and answers 100% guaranteed success. genetic drift - correct es genetic variation results from random sampling faster rate in a small pop (alleles become fixed) genetic bottleneck - correct genetic drift by drastically reducing population size rare alleles are likely to be lost ie elephant seals founder effect - correct answers.a type of genetic drift random sampling founding a new population with very few individuals new popu...

Evolution Exam 1 questions and answers 100% verified. Define biological evolution A) Any process by which populations of organisms change over time. B) Any change in the inherited traits of a population that occurs from one generation to the next. C) Change within a lineage due to natural selection and other mechanisms. D) All of the above - correct answers.D What type of evidence has been used to infer that whales evolved from mammals that used to live on land (r...

Evolution Exam questions and answers latest top score. Which of the following is NOT an ultimate explanation for behavior - correct answers.A fruit fly orients toward a patch of rotting fruit when order molecules bind to the receptors on the antennae Why are oceanic islands frequently home to species found nowhere else? - correct answers.Islands are often isolated, minimizing gene flow and maximizing diversification Muller's rachet describes - correct answers.The pr...

Evolution Exam Review questions and answers well illustrated. What is a scientific theory? - correct answers.A sceintific theory is a theory that explains scientific observations. Explain how the following people contributed to evolutionary thought: James Hutton - correct answers.James Hutton contributed to evolution by devleoping the theory of uniformitarianism. Things happenended gradually and not all at once. This held that the natural forces now changing the shape ...

EVOL Exam #1 | with complete solution GRADED A+ What is a random component of evolution via natural selection? - Errors in DNA replication What evidence is there for the evolution of cetaceans? - Fossils Synapomorphies Phylogeny based on fossils Analysis of isotopic ratios Present day observations of gene expression Phylogeny based on DNA of extant marine cetaceans What evidence is there for the evolution of viruses? - Direct observation of new adaptations and species arising withi...