All the biotic(living things) and their abiotic(non-living) environment

Exactly true, rather than figurative or metaphorical

simple sugar that drives all living organisms

make their own food, plants using photosynthesis

unit of energy

Carnivore, meat eaters, that eats herbivores.

Plants use the sun's energy to convert water and carbon dioxide into sugars

bacteria or fungi break down dead animals

a group of connected food chains

the combined mass of all organisms in an ecosystem

herbivores- plant eaters