This is True . the reabsorption through the proximal tubule is obligatory 80% whereas water reabsorption through distal tubule is facultative but mostly through collector tubules 15 % ( under the action of aldosteron and antidiuretic hormone).
The correct terms to fill in the blanks are gastric cavity and extracellular. In cnidarians, the mouth of both the medusa and polyp form opens into an internal gastric cavity where extracellular digestion takes place. The polyp and medusa are body forms that can be found in the phylum Cnidaria. The polyp is a nonmotile body form while the medusa is a free swimming body form.
I think the answer here is neurons, the nerve cells
Answer: True
Explanation: DNA is a feature people have, as well as characters. You may look like your mother or father... But your features is what makes you look a certain way.
This may not be much help, but I tried!!!
D.) none of the above is human induced cause of extinction
