3.4.2 Quiz: Why Are Cells So Small?
Question 3 of 10
2 Points
Consider the following geometric solids.
A sphere with a ratio of surface area to volume equal to 0.3 mi'.
A right circular cylinder with a ratio of surface area to volume equal to 2.1
m?
What results would you expect if these two models were compared in a
diffusion test?
O
A. The rate of diffusion would be faster for the sphere.
) B. The rate of diffusion would be the same for the two models.

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.