Answer:
Invertebrates can have bilateral or radial symmetry, or they can be asymmetrical. Bilateral symmetry means that the animal is arranged in the same way on both sides. Radial symmetry means the body parts are arranged in a circle around a central point.
1.cell membrane
2.Cell startation
3.cell fusion
4.cell reconstruction
5.tissue replacement
6.red blood cells
Quick reactions/reflexes which do not need to be process by the brain in order to determine a response.
Have prominently segmented bodies...have jointed appendages