With the exception of some sponges, all animals are
coelomates
autotrophs
heterotrophs
hermaphrodites

How do you date a sample of rock that you suspect as being one of the earliest on earth

Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?

What is the primary function of the nervous system?