In what ways are sponges similar to baleen whales?

Sponges and baleen whales are similar in that both are filter feeders, relying on the movement of water to obtain food. Sponges filter tiny particles from water as it flows through their porous bodies, while baleen whales use their baleen plates to strain small organisms like krill and plankton from the water. Additionally, both organisms play crucial roles in their respective ecosystems, contributing to nutrient cycling and supporting biodiversity. Despite their vast differences in complexity and structure, they share this fundamental feeding strategy.