I think its the c. archaebacteria because there are hundreds of species of archaebacteria living under the sea.....
and bacteria is harmful to all lifes of species..
When you observe and compare specific physical traits of different birds you will learn that some birds have characteristics that help them live and survive in their own habitat that other birds may not have but make up those birds have characteristics that help them in their own habitat.
DNA is from our generation, all to the beginning, therefore we may inherit traits of our ancestors.
Saturated and liquid at room temperature i believe