protein and energy.
Yes. Living things must eat.
By eating them
A hunter.
eating
from eating them
by eating you get energy from the food
Green plants make food from sunlight. All animals get their food by eating plants (living things) or animals (also living things)
We eat other living things, so they provide us certain things that fruits and veggies do not. idk what you mean by how. K-T
Venus fly trap.
Apart from the actual eucalyptus leaves themselves, no other living things are affected by the koalas eating leaves which are toxic to only some species.
Energy is required for living things because they have to have energy to do every other characteristic of life. Living things obtain energy by making it themselves or eating other organisms.
Whales eating plankton