Which statement describes the role of a mitochondrion in providing a body with energy? It stores glucose that is taken from food so that respiration can happen later.
It combines blood and oxygen so that energy can be released from glucose.
It is the site where oxygen combines with small molecules and releases large amounts of energy.
It is the site where food is broken down into small molecules and amounts of energy

Which of the following factors would not contribute to allopatric speciation? a) the isolated population is exposed to different selection pressures than the ancestral population.b) a population becomes geographically isolated from the parent population. c) gene flow between the two populations is extensive.d) the separated population is small, and genetic drift occurs. e) different mutations begin to distinguish the gene pools of the separated populations.