The biggest factor in differences in the climate in the Northern and Southern Hemispheres has to do with the distribution of land vs. ocean. The Northern Hemisphere has much more of Earth's land masses, while the Southern Hemisphere has a larger fraction of ocean. land and ocean heat and cool at different rates.
The energy content of all food molecules can be traced back to the Sun. It is the process of photosynthesis that locks the Sun's energy into simple carbohydrates like glucose.
This is true. During the Mesozoic era, many new species of reptiles were made. The Mesozoic era is also sometimes called the Age of the Dinosaurs.
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Deep ocean vents, African wildlife, and Arctic glaciers are all part of the Biosphere.
A biosphere is also known as Eco-sphere and comprises of all the ecosystems. It is defined as the regions of the land, atmosphere and hydrosphere(water bodies) all combined together. It is occupied by living organisms and also supports all the living organisms.