Which of these groups includes parasitic unicellular organisms with a complex of organelles specialized for penetrating host cells and tissues?
a. euglenoids
b. dinoflagellates
c. ciliates
d. apicomplexans
Answer: D
Which of these groups includes parasitic unicellular organisms with a complex of organelles specialized for penetrating host cells and tissues?
a. euglenoids
b. dinoflagellates
c. ciliates
d. apicomplexans
Answer: D