If the number of photosynthetic organisms on Earth decreased drastically, which would happen as a result?

What did the first language sound like

Give the biological term for: structures that display characteristics of living organisms only within living cells

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike