Question

a vegetarian eating plan that includes only foods from plant sources *
choose
ovo vegetarianism
lacto-ovo vegetarianism
lacto vegetarianism
vegan
of body size in relation to height and weight *

Explanation:

Ovo vegetarianism includes eggs, lacto-ovo vegetarianism includes eggs and dairy, lacto vegetarianism includes dairy, while vegan diets exclude all animal-derived products and only use plant-based foods.

Answer:

vegan