In a 10 m2 ecosystem, there are 40 possums. what is the population density of possums?
02 per m2
04 per m2
010 per m2
040 per m2

What is mitosis and how does it affect change

Loss of protected health information collected for research should be directly reported to:

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.