Problem Faced By Multicellular Organisms in Obtaining Their Cellular Requirements and Removing Their Waste Product The Important Of Having A Transport System In Some Multicellular Organisms PROBLE B A 3 3 1 3 1 1 TSA/V = TSA/V= Exercise 1 (relating size to TSA/V) Examine cuboid A and B. calculate te TSA/V o! botcuboids. Assume tat te cuboids are t"o organisms. #icorganisms obtain teir cellular re$uirement (%& and nutrients) and remo'ing teir "aste roducts (%&and urea) easil*+ #*+ ,,,,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,,, ,,,,,,Unicellula r Organisms (eg- Amoeba saramecium s) • Te* a'e ,,,,,,,,,,,,,to tal sur!ace area to 'olume (TSA/V) ratio tat enables substance to di0use easil* into te cell. • %btain ,,,,,,,,,,,,and nutrients directl* !rom te external en'ironment. • ,,,,,,,,,,,,,,, a nd oter "aste roducts are eliminated b* ,,,,,,,,,,,, tr ougte las ma membrane. • ence2 te* do not need an* ,,,,,,,,,,,,,,,,,,, ,,,,,,,,,Multicellular Organisms (eg- man2 co"2 rat2 etc) • Te* a'e ,,,,,,,,,,,,,,, T SA/V ratio. or te large organisms2 cells are o!ten located !ar a"a* !rom te external sur!ace o! te bod*. Te TSA/V ratio and te ,,,,,,,,,,,,,,rat e o'er la rge distances are limiting !actors to cellular acti'ities in l arger multicellular organis ms. • 4n order to sur'i'e2 tese organisms a'e ,,,,,,,,,,,,,,,,,,,, ,,,,,,,,, to increase te !or te excange o! substances. Te* also n eed ,,,,,,,,,,,,,,,,,,,, , is to car r* out a) Te dis tri but ion o! %& %&
The Important Of Having A Transport System In Some Multicellular
Organisms
Problem Faced By Multicellular Organisms in Obtaining Their
Cellular Requirements and Removing Their Waste ProductPROBLEMS
BA331311
TSA/V = TSA/V=Exercise 1 (relating size to TSA/V)Examine cuboid
A and B. calculate the TSA/V of both cuboids. Assume that the
cuboids are two organisms. Which organisms obtain their cellular
requirement (O2 and nutrients) and removing their waste products
(CO2 and urea) easily?
Why?__________________________________________________________________________________________Unicellular
Organisms(eg; Amoeba sp & Paramecium sp) They have
_____________total surface area to volume (TSA/V) ratio that
enables substance to diffuse easily into the cell.
Obtain ____________and nutrients directly from the external
environment. _______________ and other waste products are
eliminated by ____________ through the plasma membrane. Hence, they
do not need any ____________________________Multicellular
Organisms(eg; man, cow, rat, etc) They have _______________ TSA/V
ratio. For the large organisms, cells are often located far away
from the external surface of the body. The TSA/V ratio and the
______________rate over large distances are limiting factors to
cellular activities in larger multicellular organisms. In order to
survive, these organisms have _____________________________ to
increase the ___________________ for the exchange of substances.
They also need _____________________ is to carry outa) The
distribution of ________________ and oxygen throughout the bodyb)
The removal of ___________________ from the body.
