Fluid, rolling, air resistance, and not sure about the last one.
The myelin sheath covers most of the axon. It is important because it helps to protect the axon and speed up the neuron firing process by decreasing the amount of time in the axon.
E-cool is a bacterium that occurs naturally in the intestines of people and animals
<span>Fossils, or the fossilized remains of an animal, tend to be bones which are made of much denser materials than flesh. Since a jellyfish has no bones, a bony fish is more likely to leave a fossil.</span>
2: carbon can be found in the atmosphere, rocks, soil, & fossil fuels,
