Answer: Armored fish
Explanation:
The earliest known fossil vertebrates were heavily armored fish discovered fish in rocks from the Ordovician period.
The fossils shows the path from the early aquatic life to the vertebrates, vertebrates to mammals.
The fossils shows that it is vertebrate and are the oldest known fossil ever known. The fossils of the animals and plants helps to known the behavior of the past time and based on that research and study is done.
Explanation:
ADP is composed of 2 phosphate groups bonded to 5 carbon atoms of ribose
glucose or sugar backbone attached to Adenine.
The answer is B.
Answer:
Ant sting release methanoic acid or formic acid. The chemical formula of methanoic acid is HCOOH
