Organisms that produce food for energy internally are producers. Organisms that eat for energy are consumers. Cats are consumers, like all animals, and they eat meat for energy and nutrients.
They produce yarn.
They are cats, not dogs.
Calories don't "produce" energy; calories are a UNIT OF ENERGY.
they get their energy with food
Consumer. Anything that does not directly produce it's own energy from the sunlight (photosynthesis) or chemical compounds (chemosynthesis) is a consumer.
Greenhouses do not "produce energy".
between the energy and the produce isles
satellites produce energy by the sun
Computers do not produce energy, they use/consume energy.
water can produce energy so can the sun
Yes, it does produce heat energy.