(Solved): 21. What was likely the second Kingdom to appear on earth: a) Bacteria b) Archaea c) Eukarya d) Pro ...

21. What was likely the second Kingdom to appear on earth: a) Bacteria b) Archaea c) Eukarya d) Protista 22. Prokaryotes get energy by: a) Anaerobic Respiration b) Aerobic Respiration c) Fermentation d) All of the above 23. Scientists are studying a population of 20 pairs of Roseate Spoonbills. They notice that each female lays 4 eggs. When they come back after the eggs have hatched they notice that there are 60 males and 20 female chicks. They determine it was caused by: a) Environmental selection b) Genetic drift c) Mutation d) Directional Selection