The portion of the Earth and atmosphere where life exists is referred to as the ecosystem. A True
B False

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing

The law of states that traits are passed from parents to offspring independently of one another.. true or false