A few example are
carbon/uranium dating
genetic variations
similar bone structure among vastly different species. For example: the great blue whale was 2 hip bones and 2 femurs!
Some examples would be
-television
-led lights
- heat and light from the stove
If you need more just let me know
Answer:
1. The reduction of coyote population affects the sheep population by increasing sheep due to them not being preyed upon.
2. The grass population would indeed decrease as a result of the sheep population increasing. Due to this being the sheep's source of energy.
Natural selection acts directly on those gene variations for traits or phenotypes.
The phenotype of an organism is the physical characteristic and is determined by the organism's genotype. Natural selection selects the genes that produce a certain phenotype by providing suitable conditions for a certain phenotype.