Choose all of the correct statements about complex adaptations: Complex adaptations might evolve through a combination of of gene recruitment and promiscuous proteins. The parts of a complex adaptation may have evolved for a different function originally. Complex adaptations require all parts of the adaptation to evolve simultaneously. Complex adaptation do not evolve by natural selection. Complex adaptations are composed of multiple, different traits, such as behavior and physiology. Complex adaptations are 'irreducibly complex'. Complex adaptations are the result of parallel evolution. omplex adaptations always take thousands of years to evolve.

Choose all of the correct statements about complex adaptations: Complex adaptations might evolve through a combination of of gene recruitment and promiscuous proteins. The parts of a complex adaptation may have evolved for a different function originally. Complex adaptations require all parts of the adaptation to evolve simultaneously. Complex adaptation do not evolve by natural selection. Complex adaptations are composed of multiple, different traits, such as behavior and physiology. Complex adaptations are 'irreducibly complex'. Complex adaptations are the result of parallel evolution. omplex adaptations always take thousands of years to evolve.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter23: Paleobiology And Macroevolution

Section: Chapter Questions

Problem 1ITD

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Fill in the blanks below. Write the letter of the correct definition in the blank space on the left. ______ adaptation a. inherited characteristic that increases chances of survival 2______ competition b. organisms with traits well suited to their environment survive and reproduce at a greater rate than less well-adapted organisms in the same environment 3______ natural selection c. a growing population causes a scarcity of resources 4______ gene d. change in a DNA sequence 5_____ mutation e. a segment of DNA that codes for the production of a protein Evolutionary Evidence: Write the letter of the correct definition in the blank space on the left. ______ vestigial structure a. remains of dead organisms ______ homologous structures b. structures…
It has taken millions of years for the ancestors of whales to change into what we know today, as indicated in the diagram below. Based on your knowledge of evolution, which of the following is a reasonable explanation of why the organisms in the diagram changed over 25 million years? Question options: As the environment changed the food sources became more difficult to obtain so characteristics that allowed the organisms to hunt in an aquatic environment became more advantageous. As the environment changed the temperature became too hot and the organisms began to move to a more aquatic environment to keep cool. As the environment changed the food sources became more difficult to obtain so the organisms decided to change their characteristics to ones that would be beneficial when hunting in an aquatic environment. As the environment changed the predators on land became better adapted to hunting the whales ancestors forcing them to live in more aquatic…
“Convergent evolution” refers to the fact that two different kinds of organisms have converged on… features that are similar because they are inherited from a shared ancestor … a similar area with a particular environment that is distinct from where they came from … any features that are the result of selection for similar habitats (e.g., aquatic or burrowing). … features that are similar, but not inherited from a shared ancestor
Compare and contrast the five patterns of natural selection that drive adaptation.
Jonathan Losos and colleagues conducted experiments on small, hurricane-swept islands as “natural laboratories.” Which of the following statements is true? The legs of the anoles placed on the islands became shorter, and their offspring inherited shorter legs. Experiments on the small islands show evidence for adaptation by natural selection but not for evolution. Natural selection can lead to rapid changes. The average leg length of lizard populations decreased within a few generations. Islands scrubbed by hurricanes allow researchers to introduce new lizard populations and observe their evolution. There are many small islands with similar environments, meaning that researchers can repeat their experiments and observations in several locations.
What is the relationship between changes in gene frequencies and adaptations? The change in genes results in adaptations, which in turn, lead to the individual's ability to survive in its environment. The change in genes reduces adaptations, limiting the individual's ability to adapt for survival. The change in genes speeds up the process of adaptations, and the result is adaptations within any species will occur within a year. The change in genes results in adaptations in the individual, but these adaptations cannot be passed on to future generations.
Which statement is least relevant when examining traits considered as adaptations? A. Not every trait or use of a trait in an organism ia an adaptation. B. Mutations can result in maladaptive traits. C. Differences for a trait among populations or species are not always adapative D. Not every adaptation is perfect or unflawed.
All land vertebrates, including humans and dinosaurs are descended from early tetrapods like Tiktaalik. Since the Devonian, land vertebrates have adapted to a wide variety of environments. What environmental changes might cause certain mutations to propagate through a population? A cooling period which favors insulating characteristics like feathers A mass die-off of plants which favors smaller forms with more efficient metabolism A warming period which favors efficient cooling strategies All of these are correct
Directions: Write ADAPT if the statement is under the principle of Jean Baptiste de Lamarck and EVOLVE if the statement is under the principle of Charles Darwin. 1. Species may experience extinction if they are not fitted to live in their environment. 2. Species, which become extinct, just experienced evolution to fit in their environment. 3. Once a trait is developed due to adaptation in environment, it may be passed to succeeding oripnisms. 4. Habitual actions with a specific body part may lead to its changes. 5. Body parts that are of no use but still present in an organism's body are evidence for its ancestor species. 6. Animals with the same body part may have modifications depending on its physical requir. ements. 7. Changes happen in an organism for a long and uniform process. 8. A body part that is no longer used by an organism may lag from its development. 9. Birds grew web-like structure on their feet to be able to feed on the surface of water. 10. Ancestral…
Which of the following promotes adaptive evolution in populations? A)High genetic diversity B)Selection pressure for an environmental factor that is changing C)Greater survival and reproduction in organisms with inherited traits D)All of the above At what rate do adaptations occur in populations? A)Adaptations occur slowly, due to very low mutation rates. B)Adaptations occur quickly, due to the ability of organisms to quickly acquire traits from their environment. C)Adaptation rates can be fast when selection pressures are strong. D)Adaptation rates are always slow, due to genetic drift. Gene flow among populations results in which impact on adaptation? A)It increases the occurrence of adaptation by introducing new genes. B)It slows the process of adaptation by introducing alleles that keep the population from being dominated by the alleles best suited for the environment. C)It increases the occurrence of adaptation by moving traits acquired…
Which of the following lists events in the proper order to reflect how natural selection works in a population of lice that could originally be controlled by the pesticide permethrin? a. A louse population evolves resistance to permethrin; permethrin is used to kill lice; lice become more common in schoolchildren. b. Some lice are resistant to permethrin; permethrin is used to kill lice; lice resistant to permethrin become the most common type. c. Permethrin resistance is common in lice; permethrin is used to kill lice; most lice become sensitive to permethrin. d. Permethrin is used to kill lice; individual lice change in order to survive exposure to permethrin; most lice become resistant to permethrin.
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data? Group of answer choices Forelimb evolution was adaptive in people and bats, but not in whales. Natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy. Humans and bats evolved by natural selection, and whales evolved by Lamarckian mechanisms. Genes mutate faster in whales than in humans or bats.