<span>Alleles are each of two or more alternative forms of a gene that are found at the same position in a chromosome. Traits on the other hand, are the characteristics that are defined by genes. So the combination of alleles for a gene is what manifests itself into a trait.</span>
Answer: b dead organisms And waste are recycled throughout the tropic levels.
Explanation:
Parenchyma
phloem
<span>xylem</span>
C. The liquid in Beaker A is not as dense as the liquid in Beaker B.