Got both of these wrong please help. Referring to Figure 11.1, taxa are labeled
ID: 102561 • Letter: G
Question
Got both of these wrong please help.
Referring to Figure 11.1, taxa are labeled on the tips of branches and brackets are used to sort them into recognized Select all of the paraphyletic groups from the among the following options Chordates. Fishes. Tetrapods. Reptiles. Amniotes Vertebrates Question3 0 / 1 point Referring to Figure 11.1, rank the following pairs of taxa from most divergent (1) to least divergent (5) 1Turtles and Lungfish. 3Coelacanth and Mammals. 5 Snakes and Crocodiles 2Mammals and Lizards. 4Crocodiles and Birds.Explanation / Answer
Answer 1. Paraphyletic group refers to the common ancestor of a group of organisms but does not include all of its descendents. Chordates, fishes, tetrapods, reptiles, amniotes and vertebrates are paraphyletic group with common ancestor.
Answer 3. Each brach point of the phylogenetic tree refers to the divergence of two species. most divergent taxa will have maximum number of branch points. so in this case turtles and lungfish has 4 branch points, Coealacanth and mammals have 3 branch points, Snakes and crocodiles have 1 branch point, Mammals and lizard have 2 branch points while crocodiles and birds are sister taxa and least divergent.
the ranking can be done as Most divergent turtles and lungfish (1)
Coealacanth and mammals (2)
Mammals and lizard (3)
Snakes and crocodiles (4)
crocodiles and birds (5)
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