CELL WALL- provides support and protection
CHLOROPLAST- includes the chlorophyll which give leaves a green color.
Idk the options but it could be genetic variation
Along with peanuts<span> and shellfish, tree nuts are one of the </span>food allergens<span> most often linked to anaphylaxis — a serious, rapid-onset </span>allergic reaction<span> that may be ... to determine the presence of</span>allergen-specific<span> immunoglobulin E, an antibody that binds to </span>allergens<span> and triggers the release of chemicals that </span>cause<span> symptoms</span><span>.
FOUND IN GOOGLE
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All mackerel live in the water because all fish live in water and mackerel is a fish
