Question

read it! finding evidence of ancient penguin feathers was a stroke of luck. a student on an archaeological dig team saw the fossilized foot of a penguin. he made the discovery that the foot still had some of its scales. this was an amazing find. soft tissue, like scales, is rarely preserved in fossils. hoping to find more soft tissue, the team used great care in digging up the rest of the skeleton. \we got incredibly excited,\ said scientist julia clarke. clarke led the team, looking
eally slowly, flake by flake.\ the teams effort paid off. the researchers discovered a flipper with small, fossilized body feathers. these feathers might provide evidence of the ancient penguins colors. do it! the evidence was _______. a delicate b metallic c rotten d suspicious

Explanation:

The text mentions soft - tissue like scales are rarely preserved in fossils and the team dug "really slowly, flake by flake", indicating the evidence (fossilized soft - tissue) is delicate.

Answer:

A. delicate