Which answer choice should I choose? Im thinking C but thinking i am wrong

Natural numbers

Step-by-step explanation:

Rational numbers are numbers which can be expressed in the form a/b ; such that b ≠ 0 ; hence, rational numbers can be certain non-recurring decimal values.

Integer values are numbers which can be written without any fractional component. While natural numbers are characterized as being whole and non-negative

To represent population values, number of people or species cannot be fractional and cannot be negative, hence natural numbers is the best option.

the two may have that, even a breakdown is probably offered