The Probability That an Ancient Species Will Be Represented in the Fossil

The probability that an ancient species will be represented in the fossil record is a function of:

A) the properties of the organisms themselves, such as whether or not they make hard skeletons.
B) the properties of the environments in which they live, such as whether or not burial was likely.
C) the properties of the climate in which they live, such as how warm or cold it was.
D) the properties of the organisms themselves and the environments in which they live.
E) All of these choices are correct.