Transfers substances to the brain faster than when a drug is injected or swallow

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Number and variety of living organisms includes genetic, species, and ecological types