A pioneer species is the first species to enter an ecosystem or to go back to an ecosystem that has been destroyed. They begin the ecological formation which eventually leads to the ecosystem prospering with many different biotic and abiotic factors. Note that pioneer species can be plants or animals.
Answer:
The main ingredient of cells is water. Water is needed to maintain homeostasis. Cells are also made up of macromolecules—nucleic acids, lipids, proteins, carbohydrates. These macromolecules help maintain a cell's structure, help cells communicate with each other, aid in energy storage, etc.
To show how the genetics can instantly turn odd in shape or other traits or factors