Alphabetically, it's the first mammal that could be in a "Starts With 2 Vowels" category
(Jimmy of the Clue Crew at Cape Cod, Massachusetts) When lightning strikes the sand, it can melt & fuse it into a type of this, called fulgurite
From their size, about 2.5 cm. & how they crawl, caterpillars of the moth family Geometridae are often called this
This property is the reason a rubber ball bounces & a stretched rubber band springs back to size
The one on the cockle is usually ribbed
After the African freshwater cichlid lays its eggs, it picks them up & incubates them in this
Computers can model these, neap type & all, so sailors don't have to rely totally on tables
This sea, a still area in the Atlantic, is a spawning ground for most of the American & European eels
Do bees build these from scratch or does the scratch come later
When a woman in labor yells out "Can't!", "Don't!" or "Won't!", she's having these