If a plant can use light energy to make materials, why does it need sugar?

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box