Which statement best explains why embryology is useful to taxonomists.
a. an embryo develops through a series of cell divisions.
b. comparing the development of embryos reveals evolutionary relationships.
c. embryos are usually well preserved as fossils.
d. embryos undergo a series of metamorphic changes.

a

Explanation:

the reason for a is when a cell is expanding, it divides its self to form a bigger cell, and those cells get close together to from the embryo

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this