Dolphins are mammals and sharks are fish. they both have fins. this suggests that
dolp...
Dolphins are mammals and sharks are fish. they both have fins. this suggests that
dolphins and sharks inherited fins from a recent common ancestor
both dolphin and shark fins are vestigial features
dolphin and shark fins are analogous structures
a dna mutation caused some sharks to evolve into dolphins
Answers: 3
Biology, 22.06.2019 10:30
How do the evolutionary chart and the video support the claim that all living things are made up of cells?
Answers: 3
Biology, 22.06.2019 11:00
Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
Biology, 22.06.2019 14:20
As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.
Answers: 1
English, 25.02.2020 06:57
Mathematics, 25.02.2020 06:57
Mathematics, 25.02.2020 06:57
Mathematics, 25.02.2020 06:57
Mathematics, 25.02.2020 06:58
Mathematics, 25.02.2020 06:58
Mathematics, 25.02.2020 06:58
Mathematics, 25.02.2020 06:58
Mathematics, 25.02.2020 06:58
Mathematics, 25.02.2020 06:58
Biology, 25.02.2020 06:58
Mathematics, 25.02.2020 06:59
Mathematics, 25.02.2020 06:59