I don't really know but I pick b.have always been vestigial.
Adding large amounts of salt into your body causes your cells to become hypoglycemic (net movement into the cell outweighs net movement out) and causes the cells to boost. Via negative feedback loops, your body feels thirsty to dilute the salt in your cells to return them back to normal concentrations.
Answer:
The nucleus
Explanation:
This organelle gives all the info. Without it, the cell will die. It's like a human is alive without a brain.
B) A node would be introduced.
This would be used to help provide distinctions to these species
Answer:
Ocean water is a mixture! Salt and water together, makes salt water, since the salt dissolves in it.
Normal water in a cup, though, is a pure substance. Nothing is in it, and its purified, so it is not a mixture.
If it's more than one things, it's a mixture!
I hope this helps!
