Answer:
Population genetics
Explanation:
Population genetics refers to the study of distribution of genetic traits and the allelic changes occurring in a population that is variations in the alleles and genotypes.
A population that is freely interbreeding has a collection of genes and alleles called a gene pool of the specific population.
Each member will receives alleles from the gene pool( from its parent) and passes it to other members (offspring)
She was running harder than she usually does, so she worked up a sweat.
Her body needed to burn food more quickly to get energy to run hard.
Her body needed to use more heat energy
Essentially the answer is in the names. Active transport requires energy to facilitate to movement of the materials while passive transport is something like osmosis which is when the material moves based on concentration in an effort to create equality between the two sides. Basically passive is when the materials move under the own power.
