Answer:
a steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.
Explanation:
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Answer:
Osteoclasts are the type of cells which are responsible for the absorption of calcium from bones.
Explanation:
Osteoclasts is special type of cells which is released by parathyroid gland when the blood have low levels of calcium. Osteoclasts absorb calcium from the bones and add this calcium into the blood to increase the calcium level. If calcium is present in very high amount so this calcium is stored in the bones of the body and extracted when needed by the body.
Answer:
La ingestión es la introducción de la comida en el aparato digestivo al servicio de la alimentación o de la hidratación, y en la forma que nos es más familiar se realiza a través de la boca.
Explanation:
El "bocado" o pieza alimentaria que se incorpora debe tener dimensiones mayores a las moléculas para denominarse ingestión.
Homologous pairs, Eg. X and Y
One pair in paternal and the other in maternal, obtained during Meiosis.
