Autotrophs supply food for the heterotrophs.
Shelter
it depends, but i think that they would eat only plants.
Without sunlight, plants can not survive.
It depends on the type of plant but in most cases plants exist to survive or procreate so they produce either a food store or seeds.
There is no ozone layer for plants to survive and the temperatures change drastic.
tropical plants need sunlight, CO2 and water to survive
it depends. however most plants will need at least some light to survive
because deers live in the forest and penguins dont?
no
it depends, but i think that they would eat only plants.
foe
herbivore
it means that deers
They eat humans, deers, mountain cats, and vampires.
You mostly see deers late in the afternoon or early in the morning. It all depends on what area your in.
It depends on the temperatures and if plants can survive it. In the North Pole, it's too cold and trees and most plants can't get any warmth. In the deserts, there's lack of water and it's too dry for them to survive. So it depends on weather.
mostly grass
Deers, beavers, bears, wolves, rabbits, foxes.