I NEED THIS DONE ASAP PLEASE DO 1,2, AND 3

Number 3 is so the can reach into small crevices to obtain food

1. Adaptation is a biological mechanism. Which means organisms adjust to new environments or to changes in their current environment. The main purpose of natural selection is that traits that can be passed down to allow organisms adapt better in to the environment.

2. Not sure

3. Finches with larger beaks also meant that their stronger. The ones with big beaks were able to eat harder foods which helped them survive longer.

Giga is the second highest prefix on the normal scale, the first is terra.