A chromosome is best described as a a. gene that has more than one form
b. green cell found in many plants
c. strand of DNA containing genetic information
d. reproductive cell found in certain kinds of bacteria

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Discuss the functions of epithelial connective nerviud and muscular tissues

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present