BIO 152 PRACTICE EXAM 4 | LATEST UPDATED REAL EXAM QUESTIONS AND ANSWERS

BIO 152 PRACTICE EXAM 4 | LATEST UPDATED REAL EXAM QUESTIONS AND ANSWERS | 100% RATED CORRECT | 100% VERFIED ALREADY GRADED A+ What characteristics make a prokaryote a prokaryote?: no organelles circular chromosomes, no nucleus, no internal cytoskeleton, unicellular, and they have a cellular membrane 2. What characteristics make a eukaryote a eukaryote?: organelles(mitochondria, chloroplast, nucleus), and linear chromosomes 3. What is the approximate timeline for the evolution of life on earth?: origin of earth, first prokaryotes, oxygen accumulates, eukaryotes, multicellular eukaryotes, first animal, first fossil, Cambrian Explosion, first true plants and colonization of land, non-avian dinosaurs - mass extinction, first primate, firshumans 4. What is adaptive radiation?: an unusually rapid period of speciationin a group, accelerated by natural selection