hey,
the correct answer is
D) the population has not reached carrying capacity natural selection.
hope this help
Answer:
Autotroph produces its own food (Plants)
Matthias Schleiden observed that all plants were made of cells; Theodor Schwann observed that all animals were also made of cells; and Rudolf Virchow observed that cells only come from other cells. ... Cells are the basic units of structure and function in living things. Living cells come only from other living cells.
The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells. ... The generally accepted portions of the modern Cell Theory are as follows: The cell is the fundamental unit of structure and function in living things.
Because as humans grow bigger, so does there brain. So the smaller you are, the smaller your brain.
Hope this helped!
-Edge