What do your glands do when it’s time to send out a hormone? What is the term?

I’m stuck on this question cuz i’m stupid sksksksk

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.

Across of blue x blue (both heterozygous) would result in