There are man chemical and physical changes such as geno and pheno.
Answer:
spiders
Explanation:
While humans and many other species have red blood, due to the iron in their hemoglobin, other animals have different colored blood. Spiders(as well as horseshoe crabs and certain other arthropods) have blue blood due to the presence of copper-based hemocyanin in their blood. Some animals, such as the sea cucumbers, even have yellow blood.
Answer:
Diploidy
Explanation:
Contains 2 sets of chromosomes.
I think the most accepted Theory to make up living things is the cell theory.