The first living things on Earth were _________________

Early Earth did not have what important gas?

Cells that do not have a nucleus are ____________

Which type of prokaryote lives in extreme environments

____________ bacteria came first because they could live in ________________ environments

Which bacteria produced oxygen for the planet?

Where do autotrophs get their carbon from?

Where do photoautotrophs get their energy from?

What gas does photosynthesis make?

What energy molecule does photosynthesis make that we need?

What type of sexual reproduction only needs one parent

What type of reproduction reproduces exact copies

Which type of sexual reproduction leads to genetic variation

What type of reproduction requires a lot more energy?

What type of reproduction is binary fission?

What type of cell has ribosomes?

What are 3 things that a plant cell has that an animal cell does not?

All are evidence of endosymbiosis except

What does the mitochondria do?

What do the ribosomes do?

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