Kat has a fish tank with plants and fish native to the Amazon River. Kat began noticing he fish
swimming slower as if they were tired. Her fish tank has an indicator for dissolved gas
levels,
so she decided to look to see if there could be an issue. The following graph depicts the
levels
of dissolved oxygen and carbon dioxide in the tank.
Dissolved Gas Level Chart
• Oxygen • Carbon dioxide
20
15
10
Gas Level (mL)
5
10
15
20
Hours
What suggestion would you give Kat that would help stabilize the dissolved gas levels in
her
2uarium2

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.

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.