Answer:
In the traditional phylogeny platyhelminthes is depicted as a lophotrochozoan phylum. What probably led to this change?
The removal of the acoel flatworms (Acoela) from the Platyhelminthes allowed the remaining flatworms to be clearly tied to the Lophotrochozoa.
Explanation:
Gravitational potential energy
Epithelial tissue. This type of tissue is made up of cells that are closely packed and arranged in one or more layers. Epithelial tissues cover internal and external body surfaces. They have a high regenerative capacity.and has many functions including, protection, absorption, secretion, sensation and excretion.
Answer:
<h2>Liver, testosterone </h2>
Explanation:
The cholesterol is an important type of organic molecule that has many important roles in organisms. It is a sterol that is also called a modified steroid. It plays an important role in the cell membrane of the organism. Generally, it is synthesized in the liver and some other parts of the body. The synthesis of cholesterol is regulated by a homeostatic mechanism. Testosterone is synthesized from the cholesterol so cholesterol acts as starting material. Testosterone plays an important role in the development of the reproductive tissues of the male.