The largest single part of the shark's nervous system is the brain. Sharks are one of the smartest organisms that thrive in the deep sea. They have specially evolved brains that are capable of hunting and communicating with other sharks. Their keen sense of understanding helps them understand information presented to them and then later on converting this into information that they can use in the future.
I'm at a loss between A & C but I'm not sure, I'd go with A
The answer is Vas deferens
Exocrine glands release secretions outside of the body.
One way to remember this is:
exo = outside
endo = inside
An example of an exocrine gland is a sweat gland. They release sweat (an excretion) to the outside of your body.
I hope this helps! I'm happy to answer any other questions you might have :)
In a dominant cross, the chance of the dominant phenotype showing up in one of the offspring is 3/4, since the dominant genes are being shown here.