All life shares about 200-300 genes that were present in ancestral life forms

Which system revise and send electrical signals throughout the body

Which of the following is a common danger of commercial fishing?

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.