A single random allele from each pair of parent alleles will be passed on to the gamete.
Answer:
I believe it is A, but I could be wrong.
Explanation:
I think this, because when it says, "Other, less useful, versions of the genetic code were eliminated gradually throughout the course of evolution", I think it referencing to the fact that all animals and etc, are made up of common codes, and how over time, through evolution, certain codes were eliminated, because creatures were evolving.
The alveoli are surrounded by tiny blood vessels, called capillaries carrying blood to and from the heart.
Answer:
Trophic level
Explanation:
A trophic level is each step in a food chain that demonstrates the transfer of energy.