Answer:
Pioneer species/organisms help modify the environment because they are the first organism to live on that "terrain" or environment and they open up the chance to make more organism, also when they die and decompose they make more soil so that more organisms can grow.
Explanation:
<span>Allergy-
A medical condition that causes someone to become sick after eating, touching, or breathing something.
Allergen
A substance or object that causes allergies.
Hope this helps!!
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<span>Only a single amino acid could change, because the reading frame is unaffected</span>
It’s active transport because it requires energy
