The correct answer is C. Because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system.
This is important because the organism will react defensively towards the foreign bodies and fight them instead of accept them, so this will make a big problem in the process of fertilization.
C. But be aware it increases in the third shell by 1 from left to right
I believe the answer is loosely packed sand sized particles. Brainliest is appreciated
The nervous systems sends electric charges through your body which moves other stuff around
These animals have evolved to survive the extreme pressure of the sub-photic zones. The pressure increases by about one bar every ten meters. To cope with the pressure, many fish are rather small. These creatures have also eliminated all excess cavities that would collapse under the pressure, such as swim bladders.
plz mark me as brainliest :)
