Biology, 02.09.2019 02:00 Yumimiku6539
Suppose that a large river separates two populations of mice. one population is all black, and the other all white. a beaver dam that is built allows the mice to cross the river. over time, many gray mice are born. what is this an example of?
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How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey
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Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above
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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
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Suppose that a large river separates two populations of mice. one population is all black, and the o...
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