Question
Given what you now know of the life cycle of the parasitic organism, Plasmodium vivax, provide a means to prevent parasitic diseases (such as malaria) in humans.
Why do you suppose an “eyespot” is present in autotrophic protists and not present in heterotrophic protists?
What is a possible advantage of having a hard, rock-like substance (calcareous deposits) in the thallus of this red alga?
What is an adaptive advantage of the large leaf-like structure (called a thallus)?
What cell structure do you think the spiral structures are? (HINT: What color are they?)
Which of the following are true regarding diatoms? Choose all that apply