Question

7 the diagram below shows part of a food web in a salt marsh. which organisms in the food web belong to the trophic level that provides the most available energy to the ecosystem? eagles herons shorebirds fish shrimp phytoplankton a herons b phytoplankton c shorebirds d shrimp

Explanation:

In an ecosystem, producers at the base of the food - web provide the most available energy. Phytoplankton are primary producers that perform photosynthesis, converting solar energy into chemical energy. Other organisms in the food - web are consumers that obtain energy by eating other organisms.

Answer:

B. Phytoplankton