Answer:
Population dynamics can be described as the size of a particular population and the environmental and biological factors which influence it.
For human populations, a population which is greater than the resources can be controlled by decreasing the number of births in that population. It can be controlled by people migrating from the place due to less resources available.
For animals, the population can be controlled by increasing the amount of predators for the particular population so that they decline in number. Or shifting of the organisms can be done to places where there are enough resources available.
Answer:option D.
Thickening of the circular layer of muscularis that controls movement of materials through the GI tract.
Explanation:
Sphincter are circular muscles that control the opening and closing of body parts. Their main function is to control the movement of materials or fluid in the body.
There are five sphincter of the digestive system and they are;
Pyloric sphincter.
The lower oesophageal sphincter.
Ilocecal sphincter
Internal sphincter
External sphincter.
All this sphincter function to control the passage or movement of materials through the GI tracts.
All of the following are functions of the sensory somatic nervous system except it sends signals from the peripheral nervous system. The correct option among all the options that are given in the question is the second option. I hope that this is the answer that has actually come to your desired help.
Answer:
you need to attach a photo.
Explanation: