Genetic drift happens when well-adapted organisms survive and reproduce more often than poorly-adapted organisms. <span>The statement that best sums up evolution is the change in a population through genetic variation over time. Natural selection may be through (1) differential reproduction, that is, not all organisms are able to reproduce to their fullest capacity because nature cannot simply sustain it and (2) acquire genes, that is heredity.</span>
If the problem is not addressed the world we become hot because of global warming.
three effective solutions would be a decrease in CO2, no more fossil fuels, and stop littering
Answer:
James Watson and Francis Crick were mainly the first to build a model of a DNA structure. (Your welcome).
Explanation:
Answer AND Explanation:
Gametogenesis is the formation of gametes. Formation of sperms also called spermatogenesis takes place in the testes while formation of eggs also called oogenesis takes place in the ovary. Oogenesis in females begins before birth, however maturation of the eggs take a very long time and is only complete after fertilization. In males sperm formation only occurs after puberty.
14. It would indirect and 15. Direct