Answer:
A.) Cell A
Explanation:
This is bc it has the smallest space.
Hope this Helps
Answer:
A. single-gene
Explanation:
It is controlled by a single gene that has two alleles. The allele for a widow's peak is dominant over the allele for a hairline with no peak.
Water, Sunlight energy, and CO2(carbon dioxide)
They developed to be protected by the hard shell from parasites and ther predators.
