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(A) The trophic levels in an ecosystem are defined by the position an organism occupies in a food chain:$1$. First Trophic Level $(A)$: Consists of pr

Vedclass · Accepted Answer

$(A-d), (B-c), (C-a), (D-b)$

Vedclass · Answer

(A) The trophic levels in an ecosystem are defined by the position an organism occupies in a food chain:$1$. First Trophic Level $(A)$: Consists of producers (autotrophs). In an aquatic ecosystem,these are phytoplankton $(d)$.$2$. Second Trophic Level $(B)$: Consists of primary consumers (herbivores) that feed on producers. $A$ cow is a herbivore $(c)$.$3$. Third Trophic Level $(C)$: Consists of secondary consumers (carnivores) that feed on herbivores. Man can act as a secondary consumer $(a)$.$4$. Fourth Trophic Level $(D)$: Consists of tertiary consumers (top carnivores) that feed on secondary consumers. $A$ wolf is a carnivore that occupies this level $(b)$.Therefore,the correct matching is $(A-d), (B-c), (C-a), (D-b)$.

Trophic levels	Examples
$A$. First	$a$. Man
$B$. Second	$b$. Wolf
$C$. Third	$c$. Cow
$D$. Fourth	$d$. Phytoplankton

Match the following:

Trophic levels Examples

$A$. First $a$. Man

$B$. Second $b$. Wolf

$C$. Third $c$. Cow

$D$. Fourth $d$. Phytoplankton

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Match the following: Trophic levels Examples $A$. First $a$. Man $B$. Second $b$. Wolf $C$. Third $c$. Cow $D$. Fourth $d$. Phytoplankton