Ovulation is the release of a mature egg from the surface lf the ovary. This usually occurs mid cylce, around 2 weeks or so before menstruation. During the follicular phase
This demonstrates a competitive relationship, as they are competing for food.
Natural selection helps the anteater get food easier than others.
You can eat starch, but you can't digest cellulose
Scientists most often produce new genetic variations of organisms by causing mutations with radiation or chemicals and then selectively breeding in order to emphasize the desired traits in the new variations. The Dachshund is an example of this. By breeding two dogs with a similar mutation that caused student legs and elongated backs breeders were able to create a new variation not found in nature.