Ima just assume it is a true or false question and say true, as to make an experiment valid, only one variable has to be tested.
Answer:
I believe it would be the muscular system
Explanation:
The digestive excretes the not needed food in your body, (I won't go into detail) The respiratory excretes Carbon dioxide which would be a form of waste.
Answer:
the movement of water is from A to B thus making equilibrium water in B must be more so that water is balanced in both thus the water in B will be 13 and in A , 7 cm so , the answer is A it has 7 cm of water
Explanation:
>hope this helps<
Multi cellular organisms are composed of many cells whereas unicellular organisms are composed of single cell. Multicellularity is indeed a progressive attribute of evolution where cells form tissue which forms organ and then organ system and finally an organism. Both multi cellular and unicellular organisms has advantages and disadvantages of their own. One of the main disadvantage of multi cellular organisms is that due to such a complex composition and functioning they require a large amount of energy for their maintenance and survival. Different organs and system require a huge amount of energy when it comes to comparison with unicellular organisms. A large amount of energy is also wasted in all these life processes. Though multi cellular organisms can survive in a variety of environmental conditions but then also their survival is difficult than any unicellular organism.
The answer is cell division