I'm studying for a test and can't find the answers for the following questions...please help!

What clade of bacteria produce oxygen via photosynthesis?

What is a synapomorphy for domain Bacteria?

In a symbiotic relationship between organisms of significantly different sizes, the larger
organism is called the ___________, and the smaller organism is called the
___________________.

Thanks!

1 answer

I think the synapomorphy is the presence of a nucleus.