nah nothing
oxygen duh
From eating other plants or animals.
by eating them
By eating plants.
People get their energy from sunlight indirectly by either eating plants or eating animals which ate plants. Plants get their energy from the sun.
Same way they get energy now. Plants get energy from sunlight via photosynthesis and animals get energy from eating plants and other animals.
You get energy from all food sources. There are plants and then there's meat. You get direct energy from eating plants. When you eat animals, you get the energy that they got from eating plants.
plants
Technically, plants do eat, you just don't see them eating. Animals get their energy from eating other organisms (plants, other animals, etc.), while plants get their energy from the sun and undergo photosynthesis which results in energy for the plant, or their 'food'
like, eating? wel, they get energy from eating the plant if they are a herbavore
The sun gives energy to the plants. The animals take the energy from the plants by eating them. The animals are made into pepperoni.
herbivore
An omivore