The answer is A. are specialized. Hope this helps
<span>Quantitative data refers to data that is in numerical form and can be counted or quantified. Quantitative data can be put through statistical analysis tests. It usually requires interpretation by researchers and can be paired with qualitative data.</span>
Answer:
is this a question on your classwork or just a riddle lol
Explanation:
<span>In marine vertebrates, the gill arches use the external gas exchange. The water holds less oxygen.
The ribs in terrestrial vertebrates have enclosed respiratory surface which is inside the body and comes as paired lungs.
Kidneys are efficient in excretion of regulation of water and nitrogenous wastes. Their reproduction is normally sexual with separate sexes.</span>