Define the “principle of parsimony” and explain what it is typically used for in biology.

Which of the following scientific names are formatted correctly?  

Which group of arthropods is dominant on land and in freshwater, but not in oceans? 

How does continental drift work?   

Which of the following describes allopatric speciation? 

Which of the following is an example of enteral feeding support?

If p = 0.35 in the Hardy-Weinberg equations, then…

When testing collimator accuracy, an error of ______ % of the SID is allowed.

What makes retroviruses like HIV particularly problematic for people who get infected with them?

Draw a “timeline” that includes the following events in the correct order (no dates needed), with labels for the Precambrian and the Phanerozoic. -First photosynthetic life -First flowering plants -Invasion of land by living things -First multicellular eukaryote -Estimate of first cell/life -First single-celled eukaryote -First mammals