C. both biotic and abiotic factors in earth most ecosystems have both abiotic and biotic systems. They actually need both in order to survive.
Explanation:
Homologous structures show individual variations on a common anatomical theme. These are seen in organisms that are closely related. 1. Give an example of a homologous structure from this activity: Crocodile
Answer:
A hydrogen atom is an atom of the chemical element hydrogen.Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.
Explanation:
<span>This is false. Everyone is unique in this aspect and although genetics can help you, or make life harder, it also falls down to personal behavior and habits. There are no genetics that can save you from constant overeating and there are no genetics that can prevent you from working out, at least to your possible extent.</span>
