Which of these are posets? a.(r, =) b.(r, < ) c.(r, ≤) d.(r, =)?

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

Which of the following is the function of the nociceptors? a. detecting odors in the nose b. detecting painful stimuli c. detecting central body temperature d. detecting touch and pressure

What tool do geneticists use to predict the outcome of genetic crosses? a.karyotype b.punnett square c.centrifuge