Answer:
1. Endoneurium covers the myelinated or unmyelinated axons. it is a layer of delicate connective tissue that envelops the myelin sheath of each of the myelinated nerve fiber.
2. Perineurium covers fascicles. It is the connective tissue sheath that envelops fascicle of nerve fibers within a nerve.
3. Epineurium covers nerves. It is the outermost layer of dense irregular connective tissue that envelops the peripheral nerve and multiple nerve fascicles.
Answer:
The correct options are - A, B, and D.
Explanation:
Cell theory is a historical theory about the cell that is presented in 1839. The scientists that are credited for cell theory are Robert Hooke, Rudolf Virchow, and Matthias Schleiden, Theodor Schwann.
The major three points of the cell theory that are universally accepted as follows:
1. All livings are composed of one or more cells.
2. All cells are produced by or come from pre-existing cells.
3. The cell is the fundamental, structural and functional unit of life in every living organism.
Thus, the correct answer is - A, B, and D.
I will help you narrow it down, because I am not sure how many vitamins you can obtain from unenriched rice, but I do no that any time you would have a deficiency in vitamins, it would be because of not eating enough food that contains certain vitamins in general. So it's between B and C, I am leaning towards B.
The relationship is MUTUALISM