Las características sexuales primarias y secundarias se refieren a rasgos físicos específicos que diferencian a machos y hembras en especies sexualmente dimórficas; Es decir, especies en las que los machos y hembras se ven diferentes. Las características sexuales primarias están allí desde el nacimiento (por ejemplo, penes vs. vaginas). Las características sexuales secundarias surgen en la pubertad (como las voces bajas y las barbas en los hombres, las voces altas y el pelo facial en las mujeres).
Answer:
The most important organelle in a cell is the nucleus. Because it contains DNA which is in control of directing all the activities of a cell. And all the RNAs needed for the cell are synthesized in the nucleus
Explanation: I’m doing the DBA now
Phytoplankton can<span> be thought of as the plants of the </span>plankton<span> world. Since they photosynthesise, they </span>play<span> a big </span>role<span> in the</span>oxygen cycle<span>. ... According to National Geographic, around half of the world's </span>oxygen<span> is produced by</span>phytoplankton<span> through the process of photosynthesis</span>
If this is what you are looking for : SO4 is sulfate's formula. We can say Sulphur and Oxygen is the answer.
A gene is the segment you’re looking for.