This would be a protist. Like algae is a plant like protist which is unicellular and contain chlorophyll.
A physical change could be the plantet and biosphere have a lot more O2 in the air so more organisms can survive and evolve
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1 ma /b/ correct answer 2 ma /a/ correct answer
<span>Tissues that make up the lungs include bronchioles, epithelial cells, smooth muscle cells and alveoli</span>
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Moreover, the way that this works is that convection currents in the mantle causes tectonic plates to move when material near the Earth's core rises, and colder mantle rock sinks. Hot magma wells up at the ridges, forming new ocean crust and shoving the plates apart.
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