I believe it's B. Cytoskeleton and Cytoplasm.
The climate? That would fit I suppose.
Answer:
B
Explanation:
Directional selection tends to evolve towards one specific trait. In this example, white rabbits no longer have a competitive advantage because of disappearing snow. This means they are more easily spotted by predators, resulting in reduced fitness and less chance they will live to reproductive age and pass their recessive white alleles on.
Natural selection will favor the gray colour allele, increasing the frequency oft this previously rare allele.
Radiation: is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
Examples: Radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation
Answer:
Marine life, or sea cratures, or water creatures, or water type creatures.
Explanation:
Emphasis on SEA and I know starfish are also in the SEA.
