Glucose

Oxygen

Respiration

Sunlight

Parrot, Cockroach, Humans

Dog, Snake, Owl

Parrot, Sparrow, Eagle

Crow, Earth worm, Grass hopper

Grass, wheat, mango

Grass, goat, human

Goat, cow, elephant

Grass, fish, goat

Grass → frog → grass hopper → snake

Snake → frog → grass hopper → grass

Grass hopper → frog → snake → grass

Grass → grass hopper → frog → snake

All aquatic plants

Submerged aquatic plants

Floating aquatic plants

Desert plants

Predators

Decomposers

Herbivores

Producers

Negative, neutral

Neutral, negative

Positive, negative 

Negative, positive

Strong, tearing sharp 

Cutting and piercing

Large and wide grinding

Ting, rasping

Herbivores

Carnivores

Producers

Omnivores

Temperature, plants, water

Plants, air, sunlight

Temperature, water, sunlight

Plants, animals and microorganism