The second stage of prenatal development begins at about two weeks after conception. at this point, the growing bundle of cells is called an embryo.
Answer:
The answer is A. Draw branches for the domains: Bacteria, Archaea and Eukarya
Explanation:
Three Domains of Life:
Bacteria, Archaea and eukarya are the three principal branches or domains of the tree of life that explains the evolutionary relationship between all living organisms.
The first two domains, bacteria and archaea comprise the prokaryotic unicellular organisms. The third domain, eukarya includes all eukaryotic organisms.
All other organisms have evolved from these three principal domains.
Answer:
plant cells only
Explanation:
animal cells have no cell wall.
Answer:
changing environment
Explanation:
If the species fails to adapt, it will die off.