APFIVE Arctic Food Web Trophic Levels
A study tracking Arctic cod populations from 1990-2020 shows a 40% decline in areas with significant sea ice loss. This decline most directly impacts which trophic level in the Arctic food web?
A
Secondary consumers like ringed seals
B
Tertiary consumers including killer whales
C
Primary producers such as phytoplankton
D
Decomposer organisms in Arctic sediments
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