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a
Hugo de Vries – Evolution caused by directional mutations
b
Lobefins – Ancestors of amphibians
c
Analogous organs – Hindlimbs of penguins and whales
d
Convergent evolution – Bobcat and Tasmanian wolf
answer is B.
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Detailed Solution
Earliest amphibians evolved from lobe finned fishes.Hugo de Vries - Mutations are random (directionless).Convergent evolution - Bobcat and Tasmanian tiger cat; Wolf and Tasmanian wolf.Analogous organs - Flippers of penguins and dolphins.