Answer:
It needs the spines for protection
Explanation:
The cactus would develop the spines as a form of protection to protect itself from being consumed and to survive longer.
Answer:
Mutations are permanent changes in the DNA due to changes in nucleotide sequences. Mutations that cause addition of extra nucleotides in a nucleotide sequences are known as frameshift mutations
Answer:
1. ocular lens,2. eyepiece,3. arm,4.focus knob,5.objective lens,6,stage,7,light source,8 coarse knob
Explanation:
Answer:
here is what I know about earthquakes..
Explanation:
Learn how to prepare for an earthquake with the following safety tips. Please review our guidance on preparing for an earthquake while still protecting. Doorways are no stronger than any other part of a structure so don't rely on them for protection! Staying informed about your community's risk and response plans.
