plan (1) système nerveux (1) animal (1) évolution (1) Control (1) Communication (1) Cnidaria (1) Genes (1) Evolution (Biology) (1) Turning (Lathe work) (1) Sponges (1) Speed (1) Sensory stimulation (1) Proteins (1) Peptides (1) Neurosecretion (1) Neurons (1) Nervous system (1) Muscles (1) Molecules (1) Expression (1) Evolution (1) Epithelium (1) Ctenophora (1) Communication (1) Cells (1) Animals (1) Shapes (1) Muscles (1) Speed (1)