Would this make sense? A dogs eye color was brown which his allele coded for.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?