What had to become prevalent before Areobic Respirating bacteria could grow in number in the ancient seas (prior to the development of multicellularity/Eukaryotes)?

True or False? The Eukaryotic flagella (as seen in sperm, for example) and the flagella of a bacterium are homologous.

Which of the following words have the same meaning?

Which of the following bactial clades is most associated with Oxygenic Photosynthesis?

When do the first flowering plants appear?

At the end of this period, the greatest mass extinction ever occurred?

Which of the following are valid/actual viral shapes/forms?

What is the name of the region in a bacterium where the primary chromosome is stored?

Which of the following explains the similarity in form of the dolphin’s and the shark’s dorsal fin?

During which period do we see the beginnings of Plant life on land (please exclude Prototaxites as they aren’t plants)?