Copolymers are arranged such that the polymer chain consists of only two different monomers and the structure of the chain is an alternating arrangement.
a. True
b. False

Rotenone is an insecticide that is toxic

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass