The minimum hydrogen to helium ratio is 3:1
I would think on of the reasons is because the food that mice eat has a greater variety, in the sense that while a lion may only eat meat and have to catch its prey the mice can eat without relying on other animals. Lions also have more competition between other animals like them for example cheetahs and leopards on the other hand a mice is more independent. On period where food is scarse mice can get on with eating what the earth provides like plants lions can’t.
Sperm have developed a flagellum
Fibrous root are a pattern of root growth where all branches are about the same size. A fibrous system is usually formed by thin, moderately branching roots growing from the stem. It is universal in monocotyledonous plants and ferns. Examples of plants that have fibrous root system include; grass, wheat, maize, banana, white clover among others.
Answer:
a. activation of the sympathetic autonomic nervous system by the new experience.
Explanation:
The sympathetic division of the autonomic nervous system generates a flight or fight response. This is a series of physiological processes that start when a person has any stress, new experience or emergency conditions such as the first diving trip. One such response produced by activated sympathetic division is increased heart rate to pump more blood and deliver more oxygen to body cells and tissues. Also, the person experiences an increased breathing rate to compensate for the increased oxygen demand.
