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Endosymbiosis is the idea that certain organelles found in eukaryotic cells today, like mitochondria and chloroplasts were originally separate organisms which were absorbed into early eukaryotic cells and had a symbiotic relationship with them. Over time, they evolved along with the cells until they were fully part of the cell and no longer self-sufficient organisms.
The best piece of evidence for this theory is that chloroplasts and mitochondria have their own DNA, which is different than the DNA stored in the nucleus. This makes sense since they would have needed their own genetic material when they were independent organisms. Today, though, much of the genetic code controlling mitochondria and chloroplast production and activity has been incorporated
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And so, an endothermic vertebrate is an animal that can produce its own heat and possesses a spinal backbone consisting of vertebrae. Examples of these organisms include most mammals (including humans), most birds, and some reptiles.
Explanation:
Ectothermic vertebrates are, for example, fish, amphibians and reptiles. Their temperature depends on the environment. The contrary to ectothermic are endothermic vertebrates, such as birds or mammals
Answer: In the thylakoid membrane
Explanation: the light dependent reactions of photosynthesis occur in membranes
Answer: Water, protein, carbohydrates, minerals, and vitamins.
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