Mitochondria and chloroplasts are thought to have originated as prokaryotic endosymbionts, true or false?

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species