Neurological - by nerves
Endocrinological - by blood and secrets
For me I would have to go with C. They always have the same number and kinds of Chromosomes.
Plasma cells are designed to churn out Antibodies. These are proteins that have a variable region which is complementary ( perfect shape fit) for the virus' antigen and can therefore bind to the antigen, making the virus harmless or tagging it to be consumed by a phagocyte.
There won't be any Photosynthesis occurring and plants and tress will eventually die.. When the plants die the omnivorous animals will die of hunger..... Also we will be suffering from famine
HI!
I am 99% sure cerebrum is your answer. Please tell me if I'm wrong.
Goo Day
