Answer: I can only help you with one
4. D because you need data fro what ever your doing.
thats as much as i can help vote me the brainleirst
They are called Consumers I believe hope that helps ☺
Answer:
plants are the main producer in a forest
Explanation:
because if the herbivores don't get their food then they die, and if they die carnivores die and there is no more forest
You are exercising, doing aerobics or a stair climber at your fitness center. as you increase to a high intensity of exercise, you would expect the tidal volume to increase and the frequency of respiration to increase.
Answer:
The circulatory system to provide this oxygen and to remove the waste products of metabolism.The exchange of gases between the blood and tissue cells is internal respiration.
Explanation:
the circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles
hope this helps
