Lack of predators.
An abundance of Food.
Answer:
This process is called genetic engineering.
Answer:Cells are the basic building blocks of all living things. ... Cells also contain the body's hereditary material and can make copies of themselves. Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.
Explanation:look it up
It sends an impulse back to the cell body of a neuron
