The Stigma can be hairy or sticky to trap pollen.
I believe it’s the first option
Inner core
The inner core is the most dense layer of earth. The second next dense layer would be the outer core.
Sweating: Your sweat glands release sweat, which cools your skin as it evaporates. This helps lower your internal temperature. Vasodilatation: The blood vessels under your skin get wider. This increases blood flow to your skin where it is cooler — away from your warm inner body.
hope this helped :)
Because there is genetic variation among the newly reproduced organism.