Simple ratios derived from the equality between two units are called

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Por qué crees que los huevos con cáscara se llaman amnióticos?