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Fill in the table, in proper order, with all periods of the non-Precambrian Geologic Time Scale.  Please remember the law of superposition! Era Period  Cenozoic Period A ” Period B ” Period C  Mesozoic Period D ” Period E ” Period F  Paleozoic Period G ” Period H ” Period I ” Period J ” Period K ” Period L ” Period M Period A is Period B is Period C is Period D is Period E is Period F is Period G is Period H is Period I is Period J is Period K is Period L is Period M is  

Intrusive rocks are igneous rocks which are ___________below earth’s surface.

Human recorded history comprises __________of the earth’s history.

Explain why shield volcanoes do not have the stereotypical conical shape of other volcanoes.  Be sure to include information about the lava’s composition and viscosity.

Which of the following is not abundant in the earth’s crust?

Your research involves studying live cells and their movements. Which microscope technique would be most appropriate for observing dynamic processes in real-time?

Identify the following cell structures 

Immortal cell lines are cells that can continue to proliferate in culture for an indefinite number of generations.

Match the components of the cell wall with the corresponding organisms:

In transmission electron microscopy, objects are imaged by their differences in _______ density.