Which is an example of how the peripheral nervous system the body maintain its internal environment? muscles produce keratin so that hair can grow stronger. sweat glands break down the food that is consumed. muscles contract rapidly to produce heat on a cold day. the brain recalls information to take a test.

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.

Which is an accurate comparison of the bases found in bears and the bases found in raccoons

Which describes the technique that is used with a graduated cylinder