How can embryos help scientists understand evolution? A. Embryos contain the code for all life on Earth.
B. Embryos provide evidence for which life forms existed at the same time.
C. Embryos are frequently fossilized and illustrate change over time.
D. Embryos go through various stages that suggest the animal’s evolutionary process.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder

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.