Answer:
a layer or a series of layers of rock in the ground. ,
a level or class to which people are assigned according to their social status, education, or income.
Explanation:
Answer:
Mitosis occurs in four phases: 1) prophase, 2) metaphase, 3) anaphase, and 4) telophase.
An easy way to remember this is with the acronym P.M.A.T. - Please Make A Treat.
C no because many species went extinct without leaving fossils behind
Answer:
Pre B-cell is getting into checkpoint one, as it possesses a surrogate light chain that is adhered to its recombined heavy chain to make certain that the heavy chain is performing it's necessary duties. Cell is seen to be increasing in size as it undergo division into varying amount of small B-cells.
<span>a mosquito is an arthropod. "Arthropod" means "jointed leg" and includes (among others) all insects, arachnids, and crustaceans.</span>