A pesticide were used at home as well by the military b pesticides were developed during ww2 C the dangers of pesticides were only discovered years after their creations D pesticides affected the entire ecosystem not just insects

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.