Which explains how the advantage of genetic variation through sexual reproduction occurs? one of each pair of chromosomes comes from each parent. the union of sperm and egg occurs during meiosis. meiosis occurs in all body cells also. division of body cells results in a greater variety of traits. sexual reproduction allows for a great number of offspring to be produced

What prevents odyssey from killing the sleeping cyclops

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.