Answer:
about 525 billion sperm cells
Explanation:
In fact, the average male will produce roughly 525 billion sperm cells over a lifetime and shed at least one billion of them per month. A healthy adult male can release between 40 million and 1.2 billion sperm cells in a single ejaculation.
It’s called a branch point, represents where a single lineage evolved into a distinct new one.
the answer is a because if the model is based on experimental data it wont be good unless it has been tested.
Photosythesis is carried on in the Chloroplasts, in this diagram i believe the Chloroplasts are (D).