Answer:
when fertilization takes place, the half of the chromosomes from the egg combine with the half of the chromosomes from the sperm to form a full 23 pairs of chromosomes which contain the genes of the offspring.
Answer:
El medio ambiente es el entorno que afecta a los seres vivos y que condiciona sus circunstancias vitales. Las condiciones (físicas, económicas, culturales, etc.) de un lugar, un grupo o una época. ... Conjunto de características típicas de un determinado marco histórico o social: ej ambiente medieval.
Explanation:
It is so important because complex carbohydrates give you the most energy
The cells are different between the different layers of a bone because each layer protects something different than the rest.