Answer:
The correct answer is B. No jaws. The new species resembles an ostrachodermi.
Explanation:
Ostrachodermi is an extinct class of agnate fishes, considered as the most ancient vertebrate. They were little filtering organisms, with no mandible or jaws, and no paired fins. Their bodies were covered by squama, bony plates, and shields. They used to move in the bottoms when they were feeding on detritus.
the purpose of a cell membrane is to
The cell membrane gives the cell its structure and regulates the materials that enter and leave the cell. Like a drawbridge intended to protect a castle and keep out enemies, the cell membrane only allows certain molecules to enter or exit.
Answer:
C. Large, deep body of water that contains fresh water
Explanation:
Keywords in question: "Freshwater wetland"
Answer A does not have those keywords in the answer. It does not talk about water, it talks about acidic areas!
Answer B does talk about water, but it's not specifically saying anything about freshwater. It talks more about the landscape of the area feeding water into rivers.
Answer C says fresh water at the end of the answer. It's telling you that the body of water contains fresh water. So, this phrase does describe the qualities of fresh water wetland.
Hope this helps you! :3
