What is an atom trying to do when it combines with other
atoms?
A. produce a reaction Ting
B. change state of matter
C. become less stable
D. become stable

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

The first amino acid of a new polypeptide chain is