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05:18What observations did Darwin make on the Galápagos Islands that helped convince him that evolution occurs?
a. The existence of animals that did not fit into Linnaeus's classification system
b. The similarities and differences among cacti and tortoises on the different islands
c. The presence of species he had seen on other tropical islands far from the Galápagos
d. The radioactive age of the rocks of the islands
e. Fossils of human ancestors
Fill in the blanks in the following graph, which illustrates the decay curve of a radioactive element used to date fossil structures.
In science, a theory is a(n)
a. Educated guess
b. Inference based on a lack of scientific evidence
c. Idea with little experimental support
d. Body of scientifically acceptable general principles
e. Statement of fact
Add labels to the figure that follows, which illustrates how Mycobacterium tuberculosis evolves when it is exposed to an antibiotic.
