Which types of rocks are used in radiometric dating? a. Igneous only c. Sedimentary or metamorphic b. Igneous or sedimentary d. Igneous or metamorphic

Where are red blood cells formed?

Biology what is the difference between artificial selection and natural selection? artificial selection acts on morphological characteristics, whereas natural selection acts on life history traits.

Name the layers of earth starting at the crust and going in. describe the composition of each layer.

Which of the following is the term for an abnormally low white blood cell count?

Which organism would not carry out cell respiration A. Oak tree B. Mushroom C. Anaerobic bacterium D. Bear

Experimental inquiry: what can you learn about the process of science from investigating a cricket's chirp?

The production of pink flowered plants from a cross between a red flowered plant and a white flowered plant is an example of A) multiple alleles. B) complete dominance. C) incomplete dominance. D) codominant inheritance.

List three examples of physical properties.

Which of these is true of the cytoplasm of an unfertilized egg? see concept 18.4 (page 380) ?

How can disruptions in the cell cycle lead to cancer?