Increases. With more food available for the secondary consumers, theres less competition for food. This means the secondary consumers can breed successfully with high chance of offspring survival
Im going to guess either c or d
Answer:

✏ Arteries are the vessels that carry blood away from the heart to various organs of the body.Since, the blood emerges from the heart under high pressure, the arteries have thick, elastic walls.
It is the c believe me I am trustworthy
Answer:
Cardiovascular, respiratory, and muscular systems
Cardiovascular, respiratory, integumentary (skin and associated structures) and muscular systems
Explanation:
The cardiovascular, respiratory, and muscular systems are the systems which are involved and perform their function in the supply of oxygen for the production of ATP for the movement of muscles during exercise while on the other hand, the cardiovascular, integumentary (skin and associated structures), respiratory, and muscular systems are the systems that are involved for the regulation of temperature in the human body and maintain homeostasis.