Section 2: Conduct internet research on your selected ecosystem to help you generate a list of three criteria and two constraints. Your criteria and constraints should consider relevant factors to
the problem, such as costs, reliability, safety (to humans and wildlife), human needs,
environmental impact, local biodiversity, and the aesthetics of the area. List the criteria in order of
most to least important and assign each to a related sub-problem. In the rationale column,
explain why you placed your criteria in the order you selected.
Constraints
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Criteria
Rationale
Which Sub-Problems does this criteria address?

I need the answers for the Taunami one please!

she forgot to record a transaction

idk why hjggjhjkhj

cells use diffusion to get substances in and out of themselves. that diffusion will occur across the cell membrane or the outer covering of the cell. because we are talking about the surface of the cell, surface area and volume are  important factors here. as a cell increases in size, its surface area and volume increase as well.  we call that the surface area to volume ratio (sa: vol).  but the catch is that  volume increases at a greater rate than surface  area. in other words, as a cell gets bigger, the sa: vol gets smaller. so a really small cell like bacteria is mostly cell membrane (surface) with very little contents (volume). a really big cell like an egg, is mostly insides with a super thin membrane. so what ends up happening is that the cell cannot efficiently diffuse all of the stuff it needs in/out to survive. therefore cell size is limited to about 100mm. so how do we make organisms bigger than 100mm? cells divide! by dividing and becoming multicellular, organisms are able to grow!   check out the diagrams i attached to see the effect of sa: vol. i hope this ! good luck!