The diagrams below represent homologous structures. The study of the evolutionary relationships between
these structures is known as comparative

(1.) cytology
(2.) biochemistry
(3.) anatomy
(4.) embryology

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above