Question

Question 4

Cyanobacteria are photoautotrophs because they require ________
in order to do photosynthesis.

A. inorganic chemicals
B. sunlight
C. oxygen
D. glucose

I’m really confused. If you know this, could you please explain it to me? Thank you

Answer 1

Oxygen .........................

Answer 2

B: sunlight

Step-by-step explanation:

Photoautotrophs need sunlight to make their own food, to do photosynthesis

the prefix photo means light meaning it needs sunlight to make it's own food.