Honestly, we could come up with reasons all day, but the simple fact is that eukaryotic cells are up first. C'est la vie. Eukaryotic Cell Structure and Function A cell is defined as eukaryotic if it has a membrane-bound nucleus. Any organism composed of eukaryotic cells is also considered a eukaryotic organism. Case in point: you. Oh, and all other people, too. Biologists do not know of any organism that is composed of both eukaryotic and prokaryotic cells.
Best Time to Visit Cuba. The best time to visit Cuba is between December and April. The weather at this time is very pleasant and dry. The temperature at night can even drop down to below 20 degrees in these months. The tourist peak season runs from December to April, peaking around Christmas and on Easter weekend.
Havana weather essentials. Located close to the Tropic of Cancer, Havana has a typical subtropical climate, with a wet season in the summer and a dry season in the winter. Due to moderating trade winds, average temperatures do not fluctuate as much as rainfall does, making Havana a warm place to visit any time of year. Temperatures usually range from the mid-60s to the mid-90s (20-35 degrees Celsius) - this is high enough to wear shorts all 12 months!