An exoskeleton is the bone structure outside the body, a shell is not attached to an animal and is only used for protection and a home for snails
Fossils are made of rock, which has replaced the original material.
There are many shells available for Linux; you need to be specific about the ones you want to compare.
The chemical differences between Radiolarian and Foraminifera are in the types of shell casts they have developed. Radiolarians have siliceous shells, whereas Foraminifera have calcareous shells.
Box turtles can close their shells tortoises can't.
The 1100 mag shoots 3in. shells, the 1100 standard shoots 2 3/4in. shells.
females shells have green in the centre where males have mostly brown shells. Or males have longer tails than females
turtles have beaks and lizards have teeth and lizards do not have shells and a lot more diffrencec about them
turtles have legs, snakes don't. turtles have shells, snakes don't.
The number of electrons each element contains on its shells outside the nucleus.
We have a thin epidermal layer of epithelial tissues, whereas invertebrates have a tough outer covering, shells, or exoskeleton.
A hare is a wild rabbit. A tortoise is like a turtle but they live strictly on land and usually in desert areas. They have domed shells while turtles have more flatten shells.
A proton is positive and an electron is negative Protons are approximately 1,835 times the mass of the electron. Protons are in the nucleus. Electrons are in the 'shells'.