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Question

Match the below given organisms with their respective trophic levels in this food chain.

a) Orca 1) 1st trophic level
b) Pacific cod 2) 2nd trophic level
c) Sea lion 3) 3rd trophic level
d) Shrimp 4) 4th trophic level

A
a - 1, b - 2, c - 3, d - 4
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B
a - 1, b - 2, c - 3, d - 4
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C
a - 4, b - 1, c - 3, d - 2
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D
a - 2, b - 3, c - 4, d - 1
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Solution

The correct option is C a - 4, b - 1, c - 3, d - 2
The food chain in the above mentioned marine ecosystem would be as follows:
Phytoplankton > Shrimp > Pacific cod >Sea lion > Orca.
Thus, the trophic levels of the above mentioned organisms would be: -
1) Shrimp.
2) Pacific cod
3) Sea lion
4) Orca

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