D, because cells create roots. B would work, but it is not directly responsible.
Answer:
For functioning of heart, circulatory and execratory systems are required.
Explanation:
It requires at least two body systems to perform the function because the functions does not be completed solely, it requires coordination among systems which help them to fulfill their task. For example, the function of the heart requires circulatory system and execratory system for the pumping of blood throughout the body. it is an involuntary action which is not control by nervous system.
Answer:
and the splanchnic nerve route.
Explanation:
C. have students record homework time in a class data table everyday , tally up the time, and make a bar graph contrasting male and female work times
Answer:
In cellular respiration it is a positive term, a process vital to life. But photorespiration is an entirely negative term because it represents a severe loss to the process of using light energy in photosynthetic organisms to fix carbon for subsequent carbohydrate synthesis.
Explanation: