D. POPS.
Your answer is D because pesticides have aldrin, chlordane, .... which are all POPS.
The rekation between inslin and glucagon is they both secrete a harmones in respone to blood sugar levels,but in opposite fashion.
Nonvascular plants are small, simple plants without an vascular system. They do not have phloem or xylem
<span>The wings on
the beetles are examples of vestigiality. Vestigiality is a structure with
attributes that have apparently loss its ancestral function but stil present
during evolution. It is a normal evolutionary process in the changing
environment that does not pressure them to evolve.</span>