What are the two broad categories of fibrous connective tissue based on their relative abundance of fibers?

Answer:Collagen and Elastin

Explanation:

Collagen:These are the dominant fibre type in most connective tissues. A principal feature of this fibrous connective tissue is its flexibility combined with great tensile strength. Examples include dermis, tendons, ligaments and organ sheath (such as the sclera, or "white" of the eye.

Elastin:It is a dense connective tissue. It functions to give the connective tissue it's elasticity. Examples include the the wall of the aorta and the elastic ligament of the spine