Study the illustration below of the plate tectonics affecting the continent of africa. divergent plates are causing the east african rift zone to spread. this area is a deep valley surrounded by mountains, similar to a mid-ocean ridge. what do you predict will eventually happen at the east african rift zone?

- lake victoria will shrink and disappear as all the plates converge
- the african plate will grow larger as all of the plates converge
- water from the gulf of aden and the indian ocean will flow into the rift and flood the area
- the indian ocean will shrink and disappear as the rift zone gets larger

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight