In a living organism, at which stage does segregation of gene pairs takes place? a (a)ovulation (b)gamete (c)formation (d)fertilization

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Which particle controls what element an atom is?

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?