The world use to be just one big super continent until the tectonic plates and earths surface broke it apart into the 7 continents now. Basically the world was all connected so the plant and animal fossils would have been in the same place at the time.
Answer:
Dropping in energy levels
Against their concentration gradient
Explanation:
The pair of electrons are passed down a series of electron carriers of progressively lower energy levels through a series of redox reactions in the electron transport chain, releasing energy (electrical potential energy) to be used by H+ pump for the active transport of H+ ions (aka protons) from a region of higher concentration to a region of lower energy level against its concentration gradient.
During hibernation, the animals don't eat anything.....So, when they are hibernating, those animals can get energy by burning the the stored fat from the fatty food and can survive until they wake from hibernation
The correct answer to this is Covalent Bonding.
