Really? A. lol (no trees = unstable environment)
Answer:
The different species!
Explanation:
Biotic factors include animals, species, and etc!
A graph which represents the change in cell surface area to volume ratio with an increasing cell diameter is graph C.
<h3>The ratio of surface area to volume.</h3>
Generally, the ratio of cell surface area to volume in living organisms is always required to be very small, so as to allow sufficient materials such as food particles, to move through the cell membrane quickly for the cell's survival and optimum function.
When plotted on the cartesian coordinate, a graph which represents the change in cell surface area to volume ratio with an increasing cell diameter is shown in the image attached below.
Read more on cells here: brainly.com/question/11369280
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The answer is vascular plants.
Vascular plants have <span>specialized tissues that can transport fluids - vascular tissue. This tissue consists of</span><span> xylem and phloem. Xylem transports water and minerals from the root to the upper parts of the plant. Phloem transports food and nutrients from the leaves, where they are produced, to the growing or storage parts of the plants. </span>
Carbon + hydrogen gas = oxygen + methanol