Answer: All of these are true (besides the one that says that none are true...).
Explanation:
The ecological succession is a slow change in the living community of the ecosystem along with the changes occurring in the non-living environment until the ecosystem attains stability.
The primary succession can be defined as the initial level of succession. This succession begins in the primitive environment. The soil develops after the weathering process of rocks.
The secondary succession begins in the region where life forms existed before and the area begin damaged by the catostrophic event like forest fire, earthquake and other type of calamities. Some remaining plant parts can give birth to the entire colony of plants.
What remains left is called a <span>Fossil</span>
Refined carbohydrates tend to be much in lower in
fiber and vitamins than whole grains. These are complex carbs that have had fiber removed from them
leaving reproduce simple carbohydrates. These are rapidly absorbed causing a
blood sugar increase, which is followed by some crash. During the milling
process, the germ and bran is peeled and the grain's endosperm is crushed. The
final product becomes easier to gnaw and digest. The main reason manufacturers
process the grain is to lengthen shell life.
The central nervous system (CNS), which is made up of the brain and the spinal cord, and the peripheral nervous system (PNS), which is comprised of nerves and ganglia (small concentrations of grey matter).
The brain sends messages to the peripheral nerves in the body via the spinal cord, these have control of muscles and internal organs.
