Protozoans

Question 1

Malaria kills hundreds of thousands of people annual. These most infamous apicomplexans and causative agent of malaria are

Answer 1

Plasmodium species

Question 2

True or false:
In paramecium the macronucleus undergoes meiosis to produce haploid micronuclei that are exchanged in conjugation and the micronucleus is responsible for the “day-to-day” (somatic) functions of the cell

Answer 2

false

Question 3

Which statement(s) about protozoa is incorrect?

Answer 3

Are a monophyletic group.

Question 4

Why is the association between zooxanthellae (dinoflagellate) and coral mutualistic?

Answer 4

the zooxanthellae benefits from protection and CO2 from the coral
and
the coral benefits from a supply of sugars (nutrients) and O2 produced by zooxanthellae photosynthesis.

Question 5

What is the function of contractile vacuoles in protozoans and in what type of environment would contractile vacuoles be more active?

Answer 5

osmoregulation; fresh water