An animal without the body cavity is called acoelomic. .......
<span>Wasting away of muscle is called atrophy. Atrophy can occur with genetic mutations, and it can also occur when you don’t use the muscle for a while. One environmental cause would be if you become paralyzed and can’t use a muscle. Other factors would be lack of exercise and not eating a healthy diet.</span>
Answer:
The major sources of evidence of evolution are: Anatomy, Molecular Biology, Biogeography, Fossils, and Direct observation.
Explanation:
