Most crustaceans are aquatic, or reside in water habitats.
Instead of vertebrae, crustaceans have a hard outer shell called an exoskeleton.
They also have segmented bodies, with appendages extending from each segment.
Here's a fun fact: crustaceans have single-chambered hearts and an open circulatory system.
Answer:
I believe it's A (dendrite), B (body), and then C (the end of the axon [name is escaping me])
Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.
Explanation:
<h3><u>Answer;</u></h3>
<em>2 atoms of nitrogen </em>
<h3><u>Explanation;</u></h3>
- A compound is a substance that is made up of different types of atoms from different elements. For example water is a compound made up of hydrogen and oxygen atoms.
- In this case; Ni(NO₃)₂, is an example of a compound. It is <u><em>made up of 1 nickel atom, 2 atoms of nitrogen, and six atoms of oxygen</em></u>.
