Which term defines an embryo after the second month of development? an ovum

a nucleus

a fetus

a sperm

Which action is an appropiate immediate response to a flood? a. removing wet clothing b. marking flooodwater levels c. avoding crossing flowing water d. walking, no driving, through water

What should you not do when doing abdominal workouts? a. keep your chin off your chest b. keep your head aligned with the spine c. put pressure on your neck d. all of the above

Which of the following supports the argument that viruses are nonliving? a) they are not cellular. b) their dna does not encode proteins. c) they have rna rather than dna. d) they do not evolve.