Human versus Amoeba How multicellular and unicellular organisms carry out their life processes.
Digestion in Other Organisms
Systems in Animals. Main Idea Different body systems help animals carry out basic life functions. Skeletal system Muscular system Nervous system Respiratory.
I.How can you describe animal characteristics? A. Symmetry describes the general shape of an organism. Animals exhibit one of three types of symmetry:
Digestive System & Diet 9.1-9.4. All organisms need to obtain energy from essential nutrients. Heterotrophs get energy from other organisms.
