Why is variety in crop plants important for "food security"? why is variety in crop plants important for "food security"? monocultures are inherently stable. varieties contain genes that, through conventional breeding, might confer resistance to disease. people and the food industry naturally want a wide variety of different types of food plants. monocultures are not capable of reproducing.

Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Which entry is in the wrong position in the table?