В чем проявляется более сложное строение инфузорий по сравнению с другими простейшими?

Hi, Ann! Let's go to the park!
Sorry, but I'm very tired.
What about tomorrow?
OK! At 5 o'clock
Let's go to the café now.
All right!

-Hi Anna! Do you want go to the park?/Let's go to the park.
-No, I'm really tired.
-What about tomorrow?
-Yeah, Ok. At five o'clock sharp.
-And now can we go to the cafe?
-Ok