I think the correct answer would be a-substitution
The correct answer is Three germ layers. The feature, three germ layers, is only shown by higher invertebrates, as compared to lower invertebrates. The formation of the three germ layers is caused by the morphogenetic movement called Gastrulation.
Answer:
Gene Flow
Explanation:
Gene flow is when genetic material gets transferred from one population to another.
Bacteria builds immunities so that your immune system becomes stronger and can also help in the break down of other materials
Answer:
Hi
Explanation:
It separates the content of cell from their external environment.
It controls the entry and exit of materials in nd out of cell