Answer:
1)Species are separated from one another by prezygotic and postzygotic barriers, which prevent mating or the production of viable, fertile offspring.
2)Speciation is the process by which new species form.
3) It occurs when groups in a species become reproductively isolated and diverge.
Explanation:
Answer:
El ciclo celular es la replicación y reproducción de las células, ya sea en eucariotas o procariotas. Es importante para los organismos de diferentes formas, pero en general les permite sobrevivir. ... Los cigotos también dependen del ciclo celular para formar sus muchas células con el fin de producir un organismo bebé al final de su proceso.
Explanation:
- Eijiro <3
You are correct the answer is c
The ER comes in two different morphological forms: smooth ER and rough ER
The answer is iron. Research has shown an increase in serum iron concentreation in athletes and a concomitant decrease in magnesium ions. The increase in iron concentration is thought to be attributed to tissue injury from the strenuous physical activity. The decrease in magnesium is due to demand by the skeletal muscles.