B)Bacteria
Cause viruses are not prokaryotes
Physical Structures - They have small gils to breathe under water.
Coloring - Dark and Light Brown Spots with Tan body
Habitat - cold streams, lakes, pond, under rocks, and logs.
Scientific Name - <span>Dicamptodon aterrimus</span>
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Scientists are concerns about the loss of species because the loss of one species can set off a chain reaction that cause other species to die out and affect out food chain.