#Question id: 16894
#Section 3: Mathematics and Quantitative Ecology
#Question id: 10611
#Section 1: Ecology
If the net reproductive rate (R0) is equal to 0.5, what assumptions can we make about the population?
#Question id: 12757
#Section 5: Applied Ecology & Evolution
#Question id: 16752
#Section 5: Applied Ecology & Evolution
#Question id: 3396
#Section 2: Evolution
The Galapagos finches were an important clue to Darwin's thinking about the origin of species. These finches are believed to have descended from a single ancestral species that colonized the Galapagos archipelago, America, over a short period of time. The Galapagos finches differ in their beak shape and size. Different species feed on seeds that vary in size and hardness. Which of the following is the most likely explanation for these patterns?