Common pesticide contaminants in foods
Answer:
The evidence suggests that these chloroplast organelles were also once free-living bacteria. The endosymbiotic event that generated mitochondria must have happened early in the history of eukaryotes, because all eukaryotes have them
Explanation:
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Mesozoic Era is the second of the Earth's major era geologically of the Phanerozoic time. It means middle life in Greek. The climate during this time was warm and had less difference in the temperature today thus the answer is a. About as warm as present.