After a drought, seeds on an island became harder to crack. Which of the following explains why the finch population may
favor birds with larger, stronger beaks?
- natural selection
- extinction
- mutations
- selective breeding

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.