Please explain the symbiotic relationship between plants and animals?

Question

For an Anatomy and Physiology course. Thanks!

Answer 1

dude, figure out this stuff yourself!  That's why it's called homework and why we have those really expensive textbooks.  Written by Scientists who know their stuff...

Answer 2

They all evolved from glop!

LOL at evolutionists

Answer 3

plants give off oxygen for animals to breathe and animals exhale CO2 which plants use to make glucose and take out more oxygen. Then animals eat plants to get glucose and when they die or defecate, they leave nitrogenous wastes which are eaten by plants (absorption through roots).