Sentence examples for tough skeleton from inspiring English sources

Coral reefs are diverse communities, but the tough skeleton that we think of as coral is created by calcareous coral polyps, critters closely related to sea anemones.

Within just 100 million years they had exploded into a vast array of forms, many with tough skeletons.

The amoebae had developed tough skeletons, just like big animals did 550 million years ago did when large predators appeared.

These were probably the marks left by some unidentified predatory microbe that punctured the tough skeletons to feed on the nutrients within, rather like vampire amoebae do today.

Researchers already knew that female bedbugs had evolved one feature to cope with the male mating assault: a sack of immune cells that lies underneath a groove in their tough outer skeleton, where the male can more easily get through the abdomen to deposit his sperm.

This thing is more than just a tough exo-skeleton.

Set off if bees posted as "guards" at the entrance to the colony detect an intruder, the move evolved because the bee's stingers aren't strong enough to penetrate the hornet's tough exo-skeleton, researchers said.

Scientists are worried about how that increase will affect sea life, particularly reefs, as higher acid levels make it tough for coral skeletons to form.

The Los Angeles Times tells the story of the skeleton rider Katie Uehlander's tough slide to these Games, including the death of her father.

Tough cookies these fish they have exo-skeletons, armor plating on their backs, and can live in either fresh or saltwater.

Like sharks, it has a boneless skeleton made of cartilage, a tough, elastic substance composed of collagenous and/or elastic fibers, cells, and a firm, gel-like substance called the matrix.