Which kingdom incorporates phytoplanktons and zooplanktons?

Flagellar movements are controlled by

Histological differentiation is absent in

Select the correct option for the following statements:
$(i)$ All protozoans are heterotrophs and live as predators or parasites.
$(ii)$ $Trypanosoma$ causes sleeping sickness.

Which organisms obtain nutrition through both photosynthesis and absorption?

Which of the following uses light energy for the synthesis of $ATP$?