OBJECTIVE: To recognize the fact that a species is not genetically homogeneous and to consider the influence of that fact on the ecology of a species. 1. A morphological definition: A species is a population of organisms whose members, within a considerable range of natural variations are structurally different from all other organisms.
Prevention/Solution. Instead of starving yourself to lose weight, limit your daily calories consumed to an amount recommended by your physician or nutritionist, while eating several small nutritious meals throughout the day. This will not negatively affect your metabolic rate and will in fact regulate your blood sugar levels and metabolism.
When you starve, your blood sugars drop. This effects your thinking long before the brain itself is directly impacted or there is any significant loss of body fat. In body systems there is a hierarchy in using resources to maintain them, and the brain is at the top of it. This means the brain will be last affected by any deficiencies.