Females usually have smaller foot prints and they usually step in a pigeon toed manner with a smaller stride. However males, usually walks with a straightforward foot or quite tilted outwards. This is how to differentiate strides of men from women. Stride is defined as to walk long though extending steps. Women also walks gracefully they tend to walk femininely by swinging they hips and walking with short steps. In contrast, men's hip is quite stiffed when walking and takes longer steps when walking.
Obviously not. Pests in our subdivisions don't have any negative affect on nature. HUMANS are the main reason for the destruction of our nature. We pollute oceans and destroy forests and homes for creatures. The "pests" that you refer to actually vanishing themselves due to our destruction causing their predators to disappear.
Answer:
Pigmentation, (skin color), in humans has evolved under selection pressure from the duration and intensity of sunlight. Ancestral populations near the equator were selected for dark skin, while those living in higher northern latitudes were selected for lighter skin.
