The function of respiration is to provide oxygen for use by body cells during cellular respiration and to eliminate carbon dioxide, a waste product of cellular respiration, from the body. In order for the exchange of oxygen and carbon dioxide to occur, both gases must be transported between the external and internal respiration sites.
They form in very bad storms or changing temps!
Cell specialization is essential to an organism because cell specialization is what allows cells to provide the essential functions of life for an organism that have a wide variety of functions and purposes. Cell specialization leads to the diversity of cells in an organism such as the human body that build and allow essential organs and bodily functions to occur. Cell specialization is an essential building block that allows multi-celled and complex organisms to move and function.
Answer:
A. Uniformitarianism
Explanation:
The principle of Uniformitarianism was proposed by a Scottish Geologist, James Hutton.
The principle is simply stated as "the present is the key to the past".
The processes that have occurred in geologic past is still in play today. By looking at rock sequences in our present day, we can actually have a firm grasp of the processes they have undergone in the past.
Answer:
A
Explanation:
tree roots expel carbon into soil as they grow.