Genetically modified crops carrying the designation BT have been modified by the addition of genes from the bacteria Bacillus , causing the plant to produce a natural toxin that protects it against insect pests.

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because

Which are reasons cells undergo cell division?