Can anyone help me with these questions please? I would really appreciate it a lot.

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

What was the impact of the concordat of worms?

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food