Mr. diaz asked his students to develop a dichotomous key to classify vascular land plants. marynell and sarah were given the pictures seen here. their first step in developing the key was to choose one broad category to use in separating this plant from others. one way would be to separate plants as
a) having xylem or phloem.
b) having leaves or having needles.
c) having woody tissue or non-woody tissue.
d) being wind pollinated versus insect pollinated.

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.