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One or two large, well-developed adductor muscles (the edible part that many people consider a delicacy) are used to close the shell swiftly and tightly in times of danger.

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How many clams are there in the world?

It is difficult to provide an exact number of clams in the world as they are widely distributed across various ecosystems, including marine, freshwater, and terrestrial habitats. There are over 15,000 known species of clams, with varying population sizes depending on their habitat and environmental conditions. Scientists estimate that there are billions, if not trillions, of individual clams worldwide, playing important roles in marine ecosystems and food chains.


Did sir Edmund Hillary found seashells and clams on top of mt Everest?

We were just learning about this in class! Yes, he did find sea shells on the summit because it used to be below the ocean before the Indian plate collided into the Eurasian plate millions of years ago, causing the great mountain to form.


What mineral is limestone composed of?

Limestone is primarily composed of the mineral calcite, which is a crystalline form of calcium carbonate. This mineral is also commonly found in shells of marine organisms such as clams and coral.


What are seashells made of?

Seashells are primarily made of calcium carbonate, which is a mineral that is also found in corals and pearls. This material is secreted by mollusks such as snails, clams, and oysters to form their shells, providing protection and structure for the soft tissues inside.


What organisms live in mud sand and rock on the ocean floor?

Organisms that live in mud on the ocean floor include burrowing worms, clams, and small crustaceans. Sand-dwelling organisms might include sand dollars, certain types of shrimp, and flounders. In rocky areas, you may find sea stars, anemones, and various types of algae.