Question 15 O pts
Which is a developmental adaptation to high-altitude hypoxia?
O Alleles for hemoglobin with higher oxygen saturation.
Growth of an expanded chest during childhood.
Production of more red blood cells.
O Mountain sickness.
Question 16
O pts

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Which is the best example of plant tissue? the answer is d (just took the test)