Hyaena BearSealSea lions Dog Cat loss testes 9) In the above tree, assume that t

Question

Hyaena BearSealSea lions Dog Cat loss testes 9) In the above tree, assume that the ancestor had a long tail, ear flaps, external testes, and fixed claws. Based what traits does a sea lion have? on the tree and assuming that all evolutionary changes in these traits are shown, a) long tail, ear flaps, external testes, and fixed claws b) short tail, no ear flaps, extemal testes, and fixed claws c) short tail, no ear flaps, abdominal testes, and fixed claws d) short tail, ear flaps, abdominal testes, and fixed claws e) long tail, ear flaps, abdominal testes, and retractable claws Lepidodendrom Clubmoss Ok Yew PsilotwnFemn tree of troe sceds true leaves 10) In the above tree, assume that the ancestor was a herb (not a tree) without leaves or seeds. Based on the tree and assuming that all evolutionary changes in these traits are shown, which of the tips has a tree habit and lacks true leaves? a) Lepidodendron b) Clubmoss c) Oak d) Psilotunm e) Fern

Explanation / Answer

9. d. short tail, ear flaps, abdominal testes and fixed claws.

10. a. Lepidodendron

Clubmosses are not trees. Oaks are trees but they possess leaves. Psilotum is not a tree, it does not possess leaves. A fern is not a tree, but it has leaves.

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