Por qué cuando las bacterias se reproducen, las células hijas son similares entre ellas

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a