5. Living with the 2 species of paramecium there are photosynthetic protists too called euglena. How do you know they too must be present in the paramecium's environment?

the correct answer is c   with the systems

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

2%? i tried finding the exact sorry if it's not 100% correct ; -;

the answers are a and c