If this is true, than the animal that is embedded in this fossil most likely would have had opposable thumbs, which are crucial for using tools and climbing trees.
Wood tissue (witch in more detailed stans for shell, bone, and teeth)
Answer:
Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple. Litmus can also be prepared as an aqueous solution that functions similarly.
Explanation:
A ph of 5 is acidic because anything lower than a ph of 7 is considered acidic anything above ph 7 is basic