What is the difference between a conductor and an insulator?

Question 2 options:

A conductor can get heat transfer through convection and conduction and an insulator can only get heat transfer from radiation

A conductor lets heat pass through it easily, and an insulator does not allow heat to pass through it easily

A conductor can only get heat transfer through conduction, and an insulator can only get heat transfer through radiation

A conductor is unaffected by heat, and an insulator is extremely affected by heat

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas