Biology, 18.08.2021 04:40 sainijasdeep27
There are only two extinct groups of cetaceans: Rodhocetus and Dorudon. True or False
Rodhocetus went extinct approximately 40 million years ago. True or False
All the branches that extend to zero on the timeline represent animal groups living today. True or False
Living cetaceans share a more recent common ancestor with hippopotamuses than with extinct cetaceans.
Cetaceans evolved before even-toed ungulates, such as deer and cows. True or False
Answers: 3
Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 03:50
How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided
Answers: 1
Biology, 22.06.2019 09:00
Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean
Answers: 2
There are only two extinct groups of cetaceans: Rodhocetus and Dorudon. True or False
Rodhocetus we...
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