Las especies invasoras son animales, plantas u otros organismos que se desarrollan fuera de su área de distribución natural, en hábitats que no le son propios o con una abundancia inusual, produciendo alteraciones en la riqueza y diversidad de los ecosistemas. Cuando son transportados e introducidos por el ser humano en lugares fuera de su área de distribución natural, consiguiendo establecerse y dispersarse en la nueva región se les denomina especies exóticas invasoras resultando normalmente muy dañinas
A water molecule (H2O) will have a slightly positive side, and a slightly negative side. The oxygen side of water is the one that is negative, while hydrogen side tends to be more positive. When a molecule has a half negative and half positive side like water does, it is called a polar molecule. :D
The typical number of parathyroid gland is four
Answer:
the answer is <u><em>B</em></u>
Answer:
Mouth, also called oral cavity or buccal cavity, in human anatomy, orifice through which food and air enter the body. the mouth opens to the outside at the lips and empties into the throat at the rear; its boundaries are defined by the lips, cheeks, hard and soft palates, and glottis.
Explanation:
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