Human well-being is tied to biodiversity because:
 a.
 humans love to look at beautiful things.
 b.
 humans are part of the food webs and energy cycles that a great variety of organisms share.
 c.
 less biodiversity makes humans vulnerable to extinction.
 d.
 humans need a wide variety of animal species for hunting and wildlife products.
 e.
 the less biodiversity the less risk of disease.