If you do the starch test on a leaf that has been kept in the dark the iodine will stay yellow. Explain why.

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.