How could scientists use shells to help organize all these animals in a way that makes them easy to identify? Why would scientists use shells to identify the animals inside if them?

Scientific names for this type of structure include exoskeleton, test, carapace, and peltidium.

The shells that are perhaps most familiar and most commonly encountered, both in the wild and for sale as decorative objects, are seashells, more precisely, the external shells of marine mollusks.

the answer is a) a shiprock was formed by igneous process

bc blah

explanation:

bc blah