Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence. Example: Large intestine, Stomach, Mouth, Small intestine, Oesophagus. Answer: Mouth → Oesophagus → Stomach → Small intestine → Large intestine.
Caterpillar, Snake, Owl, Frog, Green leaves.
Topic: Food chain
Answer
Green leaves → Caterpillar → Frog → Snake → Owl
Every food chain begins with a PRODUCER — the green plant — and then you ask at each step, WHAT EATS THIS? green leaves (producer) are eaten by the caterpillar (primary consumer, herbivore) the caterpillar is eaten by the frog (secondary consumer) the frog is eaten by the snake (tertiary consumer) the snake is eaten by the owl (quaternary consumer, the top carnivore)
The arrow means "is eaten by", so it points in the direction ENERGY flows.
A useful check: energy is lost at every step — only about 10% passes on — which is why chains rarely exceed four or five links, and why the animals generally become larger and fewer along the chain.