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4.1 How Do We Choose A Model System?

1.
A ________ is an animal species that is studied to gain understanding about biological phenomena, with the expectation that what is learned will apply broadly across other species.

4.2 How Do We Compare Brains?

2 .
A researcher using connectivity patterns to define homology between bird and mammal telencephalon ________ (would/would not) define homologous regions similarly to someone using developmental origins of cells.

4.3 How Do Brains Vary in Size?

3.
The change in proportional contribution of different brain regions to total brain volume as total brain volume changes is called ________.

4.4 How Do Connections Differ Across Species?

4 .
________ are compounds that diffuse passively along axons to allow tracing of neural pathways.

4.5 How Can Diverse Species Help Us Make Inferences about Human Neurobiology?

5.
Synapses are best visualized using ________.

4.6 How Can Brain Organoids Help Us Make Inferences about Brain Evolution?

6 .
Organoids are three-dimensional spheres grown in vitro from _________.