Which of the following is true of secondary endosymbiosis? it is indicated by the presence of a double membrane surrounding the endymbiont. an organism containing one endosymbiont engulfs another organism, and that organism becomes an endosymbiont. it is indicated by the presence of a nucleomorph. an organism containing an endosymbiont is engulfed by another organism and becomes an endosymbiont. it is indicated by the presence of a mixotroph.

The correct answer is: An organism containing an endosymbiont is engulfed by another organism and becomes an endosymbiont.

Primary endosymbiosis - process in which a eukaryotic cell engulfs another living prokaryotic cell

Secondary endosymbiosis –process in which eukaryotic cell engulfs another eukaryote cell that has already undergone primary endosymbiosis.

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

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the dark variety, as they are not visible on the dark tree barks

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