HELP ASAP ! QUESTION IS IN PICTURE !

When does dna replication(make a copy of itself)?

What would happen if the krill were removed from the food web

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.