Which best matches a type of genetic material with its describtion? A. Nucleotides form a helical structure that is called a gene. B. Genes combine to form structures call nucleotides. C. Chromosomes create genes. D. DNA is located in the nucleotides Need help asap

answer; /// i believe the correct answer is (reactants);

the form of energy changes and the total energy increases0l

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".