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Quiz yourself with questions and answers for Biology Exam 2, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.
Study with Quizlet and memorize flashcards containing terms like Certain flightless beetles have wings. Their wings are an example of which type of structure?, The forelimbs of mice, bats, and whales all have a similar bone structure.
Look at the vestigial organs shown in Figure 2.7 of the textbook. Is the wing of a brown kiwi homologous to the wing of an eagle? Are the spurs of the rubber boa homologous to the hindlimbs of a kangaroo? By which definition of homology?, . Analogy and homology are important concepts used in comparing species.
Some structures are both analogous and homologous: the wings of a bird and the wings of a bat are both homologous and analogous. Scientists must determine which type of similarity a feature exhibits to decipher the phylogeny of the organisms being studied.
1 cze 1997 · The insect wing is a classic example of a morphological innovation whose origins remain obscure. Two competing hypotheses seek to explain the origin of wings: one postulates homology with an ancestral feature, whereas the other postulates that it arose de novo.
Evolution STAAR review quiz for 9th grade students. Find other quizzes for Biology and more on Quizizz for free!
10 wrz 2021 · If the Tomoyasu hypothesis is correct, then insects have an ancestral gill forming structure joining up with a portion of the dorsal body wall (tergal location) to form a new appendage - the wing (Figure 2).
