Over nutrition is when you eat too many calories and under nutrition is when you don't eat enough. Malnutrition means you're eating enough calories but aren't getting the right amounts of required...
over = junk food and no balanced diet, no exercise, positive family history, genes, etc
under = no balanced diet, chronic illness, anorexia nervosa, etc
Plants make their own food in a process called photosynthesis, while animals have to rely on the plants or other animals for food in a process known as holozoic nutrition.
In photosynthesis,plants...