The greatest cause of the worldwide loss of species is human activity. I think
Answer:
cells connecting to each other in colonies and communicating.
Explanation:
The medicine want advanced enough to fight off the sicknesses and doctors weren't very knowledgeable
Answer:
hope it helps...
Explanation:
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
"Meiosis" is the process that <span>maintains a constant number of chromosomes within a species
Hope this helps!</span>