Which one is in descending order of a food chain ?

(a) Tertiary consumers → Secondary consumers → Primary consumers → Producers
(b) Producers → Secondary consumers → Primary consumers → Tertiary consumers
(c) Tertiary consumers → Producers → Primary consumers → Secondary consume

Question

Which one is in descending order of a food chain ?

(a) Tertiary consumers → Secondary consumers → Primary consumers → Producers
(b) Producers → Secondary consumers → Primary consumers → Tertiary consumers
(c) Tertiary consumers → Producers → Primary consumers → Secondary consumers
(d) Tertiary consumers → Primary consumers → Secondary consumers → Producers

Accepted Answer

> [!TLDR]
> Listed from the highest trophic level down to the base, the correct descending-order food chain is Tertiary consumers -> Secondary consumers -> Primary consumers -> Producers.
>
> **Working**
>
> A food chain normally represents the ascending, sequential transfer of energy: **Producers -> Primary consumers -> Secondary consumers -> Tertiary consumers**, with producers (green plants) at the base and each successive consumer level feeding on the one below it. Writing this same chain in **descending order** simply means listing the levels starting from the topmost (apex) level down to the base: Tertiary consumers (top carnivores) come first, followed by Secondary consumers, then Primary consumers, and finally Producers at the bottom of the list. Checking the options: (a) Tertiary -> Secondary -> Primary -> Producers correctly lists every level from top to bottom in the right order. (b) starts with Producers (the base, not the top), so it is not …

Q.Which one is in descending order of a food chain ?

Concept understanding — Trophic Levels and Food Chains

Q.Which one is in descending order of a food chain ?

🎓Unlock everything free for 14 days

Unlock everything free for 14 days