8. What is our hypothesis?
Surface area is equal to ¾ metabolic opti
Surface area at least ¾ metabolic optimu
Surface area is less than ¾ metabolic op
13. The weights of plants in different phylum were measured in grams and the
surface area in centimeters squared. Plant weight was obtained using an
electronic scale. Additionally, surface area was calculated based on
dimension on leafs and the amount of leafs per steam. Therefore, area in
centimeters squared was taken from one leaf and was multiplied by the
amount of leaves on one plant for angiosperms. The same was done for the
patch of the Bryophyte and Pteridophyte. Area of a cylinder was used for
the gymnosperm and was multiplied by how many pine needles were in one
bush. Surface area was also measured for the following animals: rat,
pigeon, frog, and turtle. Lungs were frozen and the sample was taken with
an incision on the transverse plane of half of the lung. The sample was then
placed on a slide with a cover slip and was observed under the light
microscope at 10x magnification. The amount of circular cavities was
counted in each sample and the areas were recorded using the formula of
the area of a sphere. The field of view was calculated for the slide sample
viewed and this was then factored in with the estimated number of incisions
that would constitute half the lung. Finally, to get the surface area of the
whole respiratory organ, we multiplied the surface area of a lung by two. To
get the rate in which surface area and mass scale we plotted the surface
area of the plant and animals and used a power trend line to get the general
formula of y=cxb.
