question: What sentence would provide a factual answer to this question: "Which is likely to provide an undesired acquired characteristic for an organism?"

answer: a scar is an acquired characteristic

question: What sentence would provide a factual answer to this question: "Every one of these would be considered a fossil but what?"

answer: An example of a fossil is a paw print in rock

question: What sentence would provide a factual answer to this question: "There are many protests and outraged people about humans changing the environment of the rain forest because changing even something small in an environment can"

answer:
humans changing an environment sometimes causes that environment to be destroyed