Which of these conditions is least likely to cause a species to become extinct due to environmental changes? A. Specific food preferences
B. More competition for food
C. More genetic variation
D. Less genetic variation
I will give for the right answer.

typically, most spiders possess eight eyes. however, others have as many as 12, and some don't have any. these eyes are for detecting light from dark, deciphering shapes and for gathering their prey.

of those who start drinking before they're 15 will develop alcohol dependence

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.