Answer:
I conclude that the answer is B
<span>The best answer to the question: "The destruction of salt marshes will directly harm each organism except" ... is Algae. Algae blooms are the biggest outcome of salt marsh destructions, which starve the water of oxygen making it uninhabitable, as the algae grows, it covers the surface of the water and harms almost every organism part of that ecosystem. So I would say algae.</span><span />
Answer is Middle Paleozoic era.
Paleozoic era was in 542 Ma - 245 Ma and it has 6 periods as Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian.
360-280 Ma - forming of vascular plants with woody tissues, seeds and veins.
430 - 410 Ma - forming of jawed fishes and first amphibians.
420 Ma - forming of scorpions
360 Ma - forming of crustaceans.
Answer: Here's The Cell Cycle Concept Map
Sorry I don’t understanddddd:/