Answer:
C. Light intensity
Explanation:
they need light to grow so they stay near the ocean surface because that's where the most light is
Answer:
A gene is a section in the chromosome or DNA and the alleles is the sequence.
Explanation:
The gene determines a specific trait. An allele represents the different variations and alternatives that could be passed on.
Answer:
Red Blood Cell lacks a nucleus, it would be unable to carry oxygen efficiently.
Explanation:
The absence of a nucleus is an adaptation of the red blood cell for its role. This allows the red blood cell to contain more hemoglobin and, therefore, carry more oxygen molecules. It also allows the cell to have its own distinctive bivalve shape, which promotes diffusion.
Answer:
B. Bulge Outwards
the bulge will create a high tide.