Whales and dolphins evolved from land mammals. Their front legs have become fin-like structures called flukes which help them swim. The similarity in form and function of the flukes of whales and the fins of fishes is an example of...? Group of answer choices a. convergent evoluton b. homology c. neither
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Whales and dolphins evolved from land mammals. Their front legs have become fin-like structures called flukes which help them swim.
The similarity in form and function of the flukes of whales and the fins of fishes is an example of...?
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- 4 05 4 3. 2. D.A scientist is attempting to a cladogram that shows the evolutionary closeness of three organisms in relation to humansAfter doing DNA analysis, they that the organisms share the following percentages of DNA Organism A and humans share 85% of their DNA Organismn and humans share 80% of their DNA Organism and humans share 90% of their DNA Based on informationwhich order should they go on the cladogram ( related to most related ?Snakes evolved from ancestors who had the ability to walk. Some snakes, in fact, still have small pelvis and leg bones that are rermnants from this ancestor. What are these called? * O Vestigial structure Homologous strucre O Sympatric structure Molecular homology
- Structures in two different species may be similar because of either of two very different reasons. Describe these two reasons. You must use all four of the following terms in your explanation: homologous structures, analogous structures, convergent evolution, and divergent evolutionA phylogenetic tree is different from a cladogram in that ... Group of answer choices A: it shows that all species are not related to a common ancestor, but each has a distinct archetype. B: it represents the time scale of evolution, including where extinct species fit in. C: it uses an outgroup to compare a small group of species that exhibit similar traits D: it is not based on genetic or morphological evidence.The phylogenetic tree to the right showsthe evolutionary relationships of taxa A –H. The shapes represent character statetrait changes. A. Which traits (shapes) would individualsin taxa D have? Draw the collection oftraits. B. Is the triangle a synapomorphy orpleisomorphy (circle one)? C. Is the circle a synapomorphy orsympleisomorphy (circle one)?
- A scientist is studying two different species of fish. The table below shows various observa- tions that the scientist could have seen in the two different species of fish. Observation Number A B с 1 D 2 3 4 observation 1 observation 2 observation 3 Genetic Similarity observation 4 high low low high Function of Structure different same Which observation number would best support the claim that the two species have structural similarities, specifically as a result of convergent evolution? different same Form of Structure same different same different(top or bottom) Species A, B, C, D, and, E are all extant species (living today; not to be confused with “extinct” species). Consider the common ancestor shared between humans and species A (ancestor A-H), the common ancestor between species B and humans (ancestor B-H), etc. Which of thetwo trees below best represents the phylogenetic relationship between species shown in the nucleotide divergence plot above (top tree or bottom tree)?Members of two different species possess a similar-looking structure that they use in a similar way to perform about the same function. Which of the following would suggest that the relationship more likely represents homology instead of convergent evolution? a. The two species share many proteins in common, and the nucleotide sequences that code for these proteins are almost identicalb. The two species live at great distance from each otherc. The structures in adult members of both species are similar in sized. Both species are well adapted to their respective environments
- Which of the following is TRUE about a phylogenetic tree? It provides a drawing the reflects the proven relationships between living and extinct species. b It provides a hypothetical model of the relationships between extinct species. c It provides a hypothetical model of the relationships between living and extinct species. d It a diagram used by scientists that provides a model of evolutionary relationships without the need for scientific data.What causes convergent evolution resulting in two species, distantly related from each other to have similar adaptations (such as birds and bats)? A Hybridization of two different species to produce an offspring with traits of both parents. B Similar environmental pressures Mutations Similarities in DNAThe tails of dolphins and whales are considered analogous to fish tails because ... Group of answer choices ⚠️A: they are the result of convergent evolution to a similar environment. B: they are not the result of a close ancestral relationship. C: No answers are true D: Both answers are true Please find the correct answer make sure option (A )is incorrect