The interchange of corresponding chromatid segments of homologous chromosomes during prophase I of meiosis is called .

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

The body of water found at number 4 on the map above is the

What advantages does a pedigree have over a written passage?