Sentences with phrase «build protective shells»

Called «underwater architects,» Caddisflies are a common aquatic species of insect that collect natural, substrate materials like sand, gravel, leaves and twigs to build protective shells around their bodies, using silk excreted from salivary glands near their mouths to hold it all together (as seen below, au naturel).

These snails build their protective shells from a mineral called calcium carbonate.

Not exact matches

A subsequent collision between Antarctica and Africa raised more mountains and released more sediment from 530 to 510 million years ago may have led to the Cambrian Explosion, when most major groups of animals evolved (including trilobites and bivalves which used abundant calcium to build protective carbonate shells).

charge shell is a hard snap on protective case with extended battery pack built in.