Scale insects mature as sessile.
Is a disadvantage because sessile means nonmotile, which means food has to be readily there for them which it's just not bc land animals typically have to keep moving to survive
Amino acids are acids on one hand, and a base on the other hand.
<h3>What is an acid?</h3>
An acid is a substance that produces hydrogen or hydroxonium ions as the only positively charged ion when it ionizes.
All amino acids have an amine group -
and a carboxylic group -
.
The carboxylic group ionizes such that:

The presence of the amine group enables amino acids to also act as a base.
More on amino acids can be found here: brainly.com/question/14583479
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Answer:
By looking at the gene sequences. See the mutations.
Explanation: