Surface water is warmer than deep-ocean water. The deeper you go into the ocean the colder it is. This is because the warmth from the sun cannot reach the water near the bottom of the ocean.
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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The uterine horns are the points where the uterus and the fallopian tubes meet. They are one of the points of attachment for the round ligament of uterus (the other being the mons pubis). ... The spare egg, that cannot travel the fallopian tube, is absorbed into the body.
