Facultative bacteria can perform both aerobic and anaerobic respiration however they always perform aerobic respiration rather than anaerobic respiration when oxygen is available why

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old