Who were the scientists that came up with the shape of DNA? Watson and Crick
Crook and Brown
O Gregory and Mendel
7
O None of the above

Plants that have reproductive structures called cones are?

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.