Cholesterol is a which steroid; is a component of eukaryotic membranes steroid; is the basis for many animal and plant hormones terpene; is the basis for many animal and plant vitamins steroid; is a component of eukaryotic membranes and is the basis for many animal and plant hormones fatty acid; functions in energy storage

Steroid; is a component of eukaryotic membranes.

Explanation:

Cholesterol is one of the most important chemical synthesized by all the animals. The chemical formula of cholesterol is C27H46O. The cholesterol in solid state was first given by C27H46O.

Cholesterol is present in the plasma membrane and maintain its membrane fluidity. Cholesterol is an important structure of the plasma membrane and acts as a pre cursor for various hormone. The cholesterol is a type of sterol and a lipid.

Thus, the correct answer is option (1).

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.