Can anyone please help me complete the dichotomous key attached on pg #103 for figures 1-8 on pg #102 (it is in the pdf of the textbook)? Please provide the screenshot of the answers if possible, thank you!

Do fish feel pain? and if they do what pain

Procedure in pregnancy to have access to fetus. what do you call this procedure?

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a).it must be applicable to future events and occurrences. b)it must be based on scientific observations that can be repeated in a controlled setting. c)it must be open to modification if new evidence doesn't completely support it. d)it must be consistent with only a small portion of relevant observations or data.