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

Explain the importance of producers, primary consumers, secondary consumers and decomposers in an ecosystem.

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

The model illustrates a process by which a substance is taken up by a cell