Carbohydrate is the major source of energy in the body, but protein and fat too can be used for energy production in time of emergency. When a system is deprived of energy, the body can convert protein to carbohydrate in form of glucose in order to provide the necessary energy. Thus, protein is used to provide emergency energy.
The whale still has traces of a hip and pelvis bones in the back of his body witch scientist think they used to walk on land
The correct answer is letter A. Venom glands and varied diets are the reasons why cane toads are considered as invasive species in Australia. They cause major ecological imbalance within their immediate surroundings and have caused an infestation all over Australia.
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En biología celular, el núcleo (pl. Núcleos; del latín nucleus o nuculeus, que significa núcleo o semilla) es un orgánulo unido a la membrana que se encuentra en las células eucariotas.
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