Fourteen billion years represents the approximate age of

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

What tissue type has polarity and is avascular? what tissue type has polarity and is avascular? a. muscle b. connective tissue c. nervous tissue d. epithelium