Answer:
Phototropism is one of the many plant tropisms or movements which respond to external stimuli. Growth towards a light source is called positive phototropism, while growth away from light is called negative phototropism (skototropism).
Explanation:
Answer:
Durante el estado filotípico de los embriones (en el cual todos los vertebrados son similares), es difícil reconocer la especie a la cual pertenecen (). A medida que avanzan en el desarrollo, estos ...
Explanation:
El desarrollo embrionario es un proceso complejo por el cual una célula huevo se transforma, tras la fecundación, en un organismo adulto. Estas...
The largest spider is called goliath bird
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Respiration begins at the nose or mouth, where oxygenated air is brought in before moving down the pharynx, larynx, and the trachea. The trachea branches into two bronchi, each leading into a lung. Each bronchus divides into smaller bronchi, and again into even smaller tubes called bronchioles.