Sea urchins tend to have great camouflage because they sometimes carry algae and rocks on their shells.
<h3>What is camouflage?</h3>
Camouflage is a defense mechanism used by certain organisms to avoid predation or surprisingly attack their prey.
Different animals possess different camouflage mechanisms. For example;
- Chameleons change their color to that of their immediate environment
- Certain snakes hide in vegetations that blend with their skin color.
However, sea urchins are aquatic animals that tend to have great camouflage because they sometimes carry algae and rocks on their shells.
Learn more about camouflage at: brainly.com/question/10913375
Answer:
Addition of a(n) methyl group to certain lysine residues of a histone protein makes the region of chromatin transcriptionally silent; addition of a(n) acetyl group to certain lysine residues makes the region of chromatin transcriptionally active.
Explanation:
The changes suffered in the expression and activity of the genes are studied by the Epigenetics.
Third Quarter or Last Quarter, they mean the same thing just phrased different.