Average male coloration
❤️ Click here: Sex and the single guppy hypothesis
Which has a greater effect, or do they work equally to influence guppy populations? When with just the rivulus, they were at 54%. Do females mate with all males equally?
In this lab, you have a chance to investigate whatever characteristics that you might think that males or females might be using to select mates. The population was only at 1%, but when they there with only two of the predators, 78% of the population of the brighest guppies survived with the Rivulus and Acara. Was your hypothesis correct, use your data to justify your answer.
Sex and the Single Guppy - I liked the fat sleeper, also known as dormitator maculatus, from Southern North America, Bahamas, and Latin America. Shallow pools would be very hard for predators to get into, and the only ones that would make it there would be weak predators.
The simulation activity allows you to start with a pool of guppies and your choice of predators, you will be able to watch what happens to your guppy population and how the introduction of predators can affect the guppy's appearance. The simulation will help you understand what pressures drive guppy evolution. If being flashy and colorful attracts predators, why do you think guppies are so colorful? After viewing the guppy gallery, pick the fish you find most interesting. What is the fish’s scientific name, origin and average size? Describe the coloration of the fish you chose. After viewing the predator gallery, pick the fish you find most interesting. What is the fish’s common name, scientific name, and origin? View the guppy’s habitats, what habitat conditions would affect the predator populations? Endler’s Discovery and Variations of Guppy’s in Pools 5. Who is John Endler? What did he study and where did he study it? For each of the three stream areas, describe the guppy coloration: Pool 1: Pool 2: Pool 3: 7. Develop your own hypothesis about guppy coloration. The hypothesis should answer the questions: Why do guppies in different areas of the stream have difference in coloration? You can choose from the list on the simulation, or make up your own Guppy Simulation % of Brightest Guppies 8 generations % of Bright Guppies 8 generations % of Drab Guppies 8 generations % of Drabbest Guppies 8 generations Trial 1 Guppy: Even Mix Predators: 30 Rivulus Trial 2 Guppy: Even Mix Predators: 30 Rivulus, 30 Acara Trial 3 Guppy: Even Mix Predators: 30 Rivulus, 30 Acara, 30 Cichlid Trial 4 Guppy: Mostly Bright Predators: 30 Rivulus Trial 5 Guppy: Mostly Bright Predators: 30 Rivulus, 30 Acara, 30 Cichlid Summary 8. Describe how predators influence guppy coloration. Was your hypothesis correct, use your data to justify your answer. What does it mean that “male guppies live in a crossfire between their enemies and their would be mates”? Why do you think guppies in different areas of the stream have different coloration? What would happen to mostly drab guppies that were placed in a stream with very few predators? What would happen to brightly colored guppies that were placed in a stream with many predators?
Sex-Changing Clownfish (4-min)
Is there a pattern to which females are courted. If being flashy and colorful attracts predators, why do you sex and the single guppy hypothesis guppies are so colorful. For the bright colored guppies, the population was surprisingly lower. You will also need to make sure the simulation jesus through enough generations to show patterns 5 minimal Homework: Work on Guppy. The females are more drab and grey, which makes them less visible to their predators. Not every area has the same number of fish. After viewing the guppy gallery, pick the fish you find most solo. The lower sex and the single guppy hypothesis, like the tail, is also green. Our hypothesis was incorrect because the predators preyed mostly on the more drab fish. Trial 1 Guppy: Mostly Bright Predators: 30 Rivulus, 30 Acara, 30 Cichlid 0% of Brightest Guppies 10 generations 2% of Bright Guppies 10 generations 4% of Limbo Guppies 10 generations 94% of Drabbest Guppies 10 generations FROM CHART: Trial 2 Guppy: Even Mix Predators: 30 Rivulus 60% of Brightest Guppies 10 generations 9% of Bright Guppies 10 generations 18% of Drab Guppies 10 generations 13% of Drabbest Guppies 10 generations Trial 3 Guppy: Even Mix Predators: 30 Rivulus, 30 Acara 8% of Brightest Guppies 10 generations 70% of Bright Guppies 10 generations 22% of Drab Guppies 10 generations 0% of Drabbest Guppies 10 generations Trial 4 Guppy: Even Mix Predators: 30 Rivulus, 30 Acara, 30 Cichlid 2% of Brightest Guppies 10 generations 0% of Bright Guppies 10 generations 9% of Drab Guppies 10 custodes 90% of Drabbest Guppies 10 generations Trial 5 Guppy: Mostly Bright Predators: 30 Rivulus 75% of Brightest Guppies 10 generations 20% of Bright Guppies 10 generations 4% of Drab Guppies 10 generations 1% of Drabbest Guppies 10 generations Trial 6 Guppy: Mostly Drab Predators: 30 Rivulus, 30 Acara, 30 Cichlid 0% of Brightest Guppies 10 generations 4% of Bright Guppies 10 generations 12% of Drab Guppies 10 generations 84% of Drabbest Guppies 10 generations 8. What is the fish’s scientific name, origin and average size. Describe the coloration of the fish you chose.
