The factor that poses the greatest threat is loss of habitat. Have a nice day!
After DNA replication has taken place, two molecules, each with one original and new strand is formed. This supports the idea of DNA replication.
Answer:a compound present in the body as a neurotransmitter and a precursor of other substances including epinephrine
Explanation:
I enjoyed learning about punnet square in school.
The correct answer is option A, that is, blood.
Cell theory in biology refers to the universally acknowledged scientific theory that living species are constructed of cells, that is, they are the basic fundamental and structural unit of all species, and that all the cells arises from the pre-existing cells. The theory is credited to Schwann and Schleiden. The three postulates of the theory are:
1. All living species comprises of one or more cells.
2. Cell originate from the pre-existing cells.
3. The cells is the fundamental unit of organization and composition in organisms.