Definition
Mollusca, commonly known as mollusks, is a diverse phylum of invertebrate animals characterized by a soft body, often protected by a calcareous shell, and includes classes such as Gastropoda (snails and slugs), Bivalvia (clams and oysters), and Cephalopoda (squids and octopuses). Mollusks exhibit a wide range of forms and adaptations, playing significant roles in marine and terrestrial ecosystems.
Summary
Mollusca is a diverse phylum of invertebrates that includes creatures like snails, clams, and octopuses. They are characterized by their soft bodies, which are often protected by hard shells. Mollusks play vital roles in ecosystems, serving as food sources for many animals and contributing to the health of aquatic environments through their feeding habits. Understanding mollusks is essential for appreciating biodiversity and the ecological balance of habitats. Their unique adaptations and reproductive strategies highlight their importance in both natural ecosystems and human economies, particularly in the food industry and environmental monitoring.
Key Takeaways
Diversity of Mollusks
Mollusks are incredibly diverse, with over 85,000 recognized species, ranging from tiny snails to large octopuses.
highBody Structure
Mollusks have a unique body structure that includes a foot, visceral mass, and mantle, which plays a crucial role in their survival.
mediumHabitat Adaptations
Mollusks can be found in various habitats, showcasing their adaptability to different environmental conditions.
mediumEconomic Importance
Mollusks are vital to the economy, providing food and resources for many industries, including fishing and aquaculture.
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