Answer: hundreds of millions of years ago
which one of the following is Not an organic compound
Answer:
Hot water is suitable for making coffee because we know that the substances dissolve faster at high temperature so in hot water coffee gets dissolved faster.
Answer:
Facial dimples are genetically inherited. Since his dad also has dimples, it was pretty much a surefire outcome. Since dimples are a dominant trait, only one parent needs to have them.
Sexual selection example; The brightness of the feathers of a peacock. You may also see similar traits in other birds, where some dance and show off bright feathers to attract a mate, where other build nests. These specific traits do not increase their chance of survival, and are not learned. They increase their fitness because they increase their chances of reproduction and passing on their genes.
Survival of the fittest = Survival of those who survive, and reproduce