Double helix used in a simple 9th grade level sentence and one fact

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

What processes would you expect to be key in the production of yogurt ?

Which feature would you expect to find in a population in which sexual selection depends on male competition?