What makes euglenoids different than most other plantlike protists.

Euglenoids are actually both! They are protists and belong to the protist kingdom. Euglenoids are photosynthetic, like plants, and have no cell wall, like animals. Their for if you need an answer its Plant-like and animals.It doesn' have a cell wall because it is "plant-like," not a plant, 
it has a pellicle that provides strength and flexibility since it lacks a cell wall

D. A female could get the disease only by having a mother who is a carrier and a father who has the disease. Since most males with the disease do not survive to reproductive age, this is an extremely unlikely event.

Explanation:

Hemophilia is a inherited bleeding disorder and genetics has alot to do with it. The answer to your problem is D because hemophilia is very deadly so males with this have a high mortality rate (compared to healthy males) thus they cannot pass their seed forward as much which reduces the chance of female being born and inheriting the disease.