Scientists have debated the evolution of three life forms: reptiles, birds and dinosaurs. after many years of reviewing fossil records scientists proposed the evolutionary relationship seen above in the cladogram. using radiometric dating scientists added a time frame for the evolution of the animals within the model. based on this new information, what prediction can we make about the animals represented here? mya refers to millions of years ago. a) dinosaurs were the last to evolve among these groups of animals. b) crocodiles are the most highly evolved of the animals represented here. c) dinosaurs lived and became extinct before the arrival of lizards and snakes. d) turtles were the first group of animals to branch off in this tree of animals.
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Biology, 22.06.2019 04:00, isabellesmith51317
Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. agouti x albino a) 1/2 albino, 1/2 agouti b) all agouti c) 3/4 agouti, 1/4 albino
Answers: 2
Biology, 22.06.2019 09:00, sidneydominguez2323
Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.
Answers: 3
Scientists have debated the evolution of three life forms: reptiles, birds and dinosaurs. after man...
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