Part One (12 points, 2 points each) Write a short summary in your own words about each of these animals. The first four are whale ancestors, and the last two are modern whales. Note any major changes or adaptations, or interesting information from the fossil record. Each summary should be three to five sentences. You may research this information using reliable journals, books, or websites. You can review reliable sources if needed. Be sure to note any sources you use.
• Pakicetus
• Ambulocetus
• Rodhocetus
• Dorudon
• Odontocetes
• Mysticetes

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos