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12.Ecosystem
medium
Identify the correct type of food chain.
Dead animal $\rightarrow$ Blow flymaggots $\rightarrow$ Common frog $\rightarrow$ Snake
A
Grazing food chain
B
Detritus food chain
C
Decomposer food chain
D
Predator food chain
Solution
Organic remains (dead plant parts, animal remains and excretions) are also called detritus. A food chain, which begins with detritus or dead organic matter is called detritus food chain. The energy passes into decomposers and detrivores, then to smaller carnivores, then to larger carnivores and so on.
Standard 12
Biology
Similar Questions
Match the columns:
| Column – $I$ | Column – $II$ |
| $(a)$ Saprotrophs | $(i)$ He makes his food |
| $(b)$ Omnivores | $(ii)$ Dependent on dead |
| $(c)$ Autotrophs | $(iii)$ Eat other animals for food |
| $(d)$ Vegetarian | $(iv)$ Fertilizers for plants |
easy
