Bottleneck is an example of a genetic drift that happens when the size of a population is severely reduced.
It is both a Parasitic and segmented
Explanation:
Your urinary system filters your blood to get rid of what your body doesn't need. It eliminates extra water and salt, toxins, and other waste products.
Answer:
B. Energy needs
Explanation:
As an individual ages there is a characteristic natural loss of muscle mass that occurs and increases as they move into older years. Changes in lifestyle, such as transition from employment to retirement, also account for a decrease in energy needs. This is because there is less amount of work done during retirement than when an individual is actively working.
The less amount of work is the reason why there is also a corresponding decrease in the energy needs.
Gravity. it pulls things down to the earth so it makes it easier to go where the gravity is pulling