Complete Each of the Following Statments

question 134

Short Answer

Complete each of the following statments.
The meninges from the outermost to the innermost layer are the ____________________, the ____________________, and the ____________________.

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Definitions:

Speciation

The evolutionary process by which new biological species arise due to factors such as geographic isolation or genetic divergence.

Fossil Record

The accumulation of evidence from preserved remains or impressions of organisms from past geologic ages.

Background Extinctions

The normal rate of extinction for species or a certain baseline level of extinctions that occurs without human intervention or major catastrophes.

Genetic Mutations

Changes in the DNA sequence of an organism's genome, which can result in variations in physical appearance, function, or behavior.