Which organism in this food chain is a carnivore?

a. fungus
b. grasshopper
c. grass
d. spider

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

What advantages does a pedigree have over a written passage?