Answer:
I don't understand the question
RNA: AUGGUACCUUAAUGA
A=U (in RNA only. T in DNA)
C=G (in both DNA and RNA)
Rocks are abiotic
(Soil?) is made of both abiotic and biotic materials
Sea shells are biotic
The answer is pheromones. Hope that helps :)
Common mistakes and misconceptions
Natural selection is a mechanism, or cause, of evolution. Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations. Random mutations are the initial cause of new heritable traits.
