In the ecosystem of the northern seas and coastal areas, many plants, animals and microorganisms live and interact

In the ecosystem of the northern seas and coastal areas, many plants, animals and microorganisms live and interact. Consider a group that includes polar bears, herring, phyto- and zooplankton, seals, and cod. How will the decline in phyto- and zooplankton numbers affect the polar bear population?

1. answer to the question: the number of polar bears will decrease;
2. explanation, for example: the number of all the listed animals located in the food chain before the polar bear will decrease.

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