Answer:
Vitamins and minerals are considered essential nutrients—because acting in concert, they perform hundreds of roles in the body. They help shore up bones, heal wounds, and bolster your immune system. They also convert food into energy, and repair cellular damage.
Selective breeding they are picking what they want like when u go to the grocery store like a store of traits and genes
Honey does not contain starch its just sugar
They have two identical alleles for a gene, so in a genetic cross, each parent contributes only one form of a gene, making inheritance patterns more detectable.
C. by observing them in their habitats
Ex: The Galapagos Islands. Darwin went their to study the flora and fauna in their natural habitat.