I think the first one is b
1) The first part is the genus name, and the second part is the specific epithet, or name that identifies the specie. The first letter of the genus name is capitalized and all the letters for the specific name are lowercase.
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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.
Breathing, moving blood throughout the body, and so forth.
