Answer:
11) A. The optimum pH of an enzyme is 6.6
12) C. A control group
Answer:
The first one is It helps the founder defend itself
The second one is A viceroy butterfly has the same markings as a bad-tasting monarch butter fly
The third one is Mimicry if im wrong do grouping
The fourth one is The light moths will be captured by predators more easily than the dark moths, and the population of the dark moths will rise
The fifth one is TBH i cant answer it i dont see the table
The sixth one is The green insect population will increase and the yellow insect population will decrease
The seventh one is A penguin uses sleek, smooth belly feathers to slide on ice
The eight one is Digging holes and tunnels for food
Explanation:
I answered these on the most logical reasons. I did not search these up anyways if im wrong tell me the ones that were wrong.
Hypertonic, because the water is leaving the cell to get to a higher (hyper) amount of solute.
Explanation:
Percentage w/v means that weight of solute present in 100 ml of a solution. Hence, 15% w/v means that 15 gram of solute per 100 ml of solution.
Hence, for 2 L (or 2000 mL) preparation the amount of mass will be calculated as follows.

= 300 g
Thus, we can conclude that weight of Tris-HCL required is 300 g.
I'm thinking the brain. The brain produces hormones and chemicals that tell the body to grow. And you also need to think a lot when trying to survive, which is when the brain comes in handy.