Individual organisms within a population differ in reproductive success; those that manage to successfully capture a larger amount of resources and produce more have greater , a measure of this reproductive success.

Offsprings, natural selection, a measure of reproductive success.

Explanation:

Pattern of life history in individual or population evolve by Natural selection, Life history pattern optimizes the trade offs as energy spend in raising the offspring.

The energy resources in the earth is limited and organisms had to fight for the resources for growth, multiplication and survival.

The offspring with the traits will use the effective way to use the resources than with the siblings who lack the trait,

The reproductive success is ultimately a measure of natural selection.

i think the answer is

mass

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times