Ecosystems

A type of cell that contains only dna randomly floating inside a membrane

• Eukaryotic

• prokaryotic

• Cyanobacteria

• Genaryotic

life first formed around__ years ago

• 5 billion

• 4.6 billion

• 8 billion

• 83 billion

What prompted the evolution of prokarytoic cells?

Endosymbiosis is

• Absorbing genetic or cellular material through consumption

• When two cells work together

• When two cells fuse together

Prokaryotic cell's organelles most likely came from where?

What was the Cambrian explosion and why is it important

In which period did plants first start colonizing land?

• Cambrian

• Ordovician

• Devonian

• Carboniferous

In which period did animals first start colonizing land?

• Cambrian

• Ordovician

• Devonian

• Carboniferous

In which period was the world covered in mega flora - giant plants?

• Cambrian

• Ordovician

• Devonian

• Carboniferous