Seedless nonvascular plants include a. ferns and horsetails b. liverworts and ferns c. horsetails and mosses d. mosses and liverworts

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.

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity