Conditions in the South Pacific Islands: a) What is the weather (Temperature and Precipitation) like in the South Pacific Islands during a normal year? The South Pacific Islands are not shown on the maps but can be found in the middle of the Equatorial Pacific Ocean at 160 degrees W.

b) Explain what causes this weather during a normal year?

c) What is the weather (Temperature and Precipitation) like in the South Pacific Islands during an El Nino year?

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the two answers are a, the population of birds with large beaks will increase on the island, and c, the trait for large beaks will be passed on to future generations through natural selection. the reason for that is because if the birds that have beaks developed for eating small seeds lose all of their food, they will go hungry and eventually starve because they physically cannot eat the large seeds, therefore making the population of large beaked birds higher. also, if the trait of large beaks are dominant on the island over small beaks, then over time the large beaked birds will reproduce more and more, while the smaller beaked birds will reproduce less and less because they can't survive with the food provided. that leads to the trait of small beaks disappearing and the trait of large beaks taking over the island.

lichens that colonize bare rock secrete acids that break down the rock and start the soil-production process. so they expose rocks