Sponges are organisms that are members of phylum prolifera, they are simple multicellular animals without a mouth, muscles, heart or brain.Sponges's tissues contains collar cells and amoebaocytes in its tissues. They feed by drawing water in through their pores and filter out food particles. Sponge larvae are more animal-like than adult sponges because they are free-swimming organisms.
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.
Answer:
electromagnetic radiation refers to the waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy.
<span><span>The carboxyl end of the G- protein-coupled receptor (GPCR) is located in the cytosol (it is intracellular). Carboxyl terminus is one of the most variable structures of the protein. All of the GPCR are </span><span>structural and functional similar, unlike their ligands.</span></span>
the answer is the trophic level
