I need help, i’m too tired to think

All annelids and arthropods have a blank body plan . unlike annelids, arthropods also have blank . the circulatory system of annelids is blank , while circulatory system of arthropods is blank .

This is the nitrogenous base only found in rna

Which of the following statements about polysaccharides are correct? choose all that apply. cellulose is a linear, unbranched polymer of glucose monomers. starch is typically more highly branched than glycogen. cellulose is a major component of both plant and animal cells. glycogen is a storage form of glucose in animal cells. glycogen is the most abundant organic compound on earth. starch and cellulose are found in plants.