Fossil evidence indicates that myllokunmingia, the earliest known vertebrate, had feathery gills, skeletal structures thought to be made of cartilage, and traces of fins. based on this description, myllokunmingia was most likely an early species of

If assuming tasting ptc as a simple gene trait, what other genotype would you select to put in this missing genotype box that could result in this phenotype

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

What do transitional fossils best support?