Which species are you talking about
I believe the correct answer from the choices listed above is the second option. <span>The building blocks of a habitat consist of environmental factors. Hope this answers the question. Have a nice day.</span>
<span>ensuring that the endotracheal tube is secure</span>
Answer:
C
Explanation:
Trilobites were alive the longest time ago, so they would be found in the oldest rock layer.
Meninges are membranes that cover and protect the brain and spinal cord.
There are three layers of meninges: Dura mater (closest to the bone), Arachnoid loosely around the brain, Pia mater is closely attached to the brain and spinal cord surface.