Repeating tests usually leads to more independent variables. more accurate measurement. more confidence in the results. more controls in an experiment.

What attractive force holds one chlorine atom and one sodium atom together to make the substance salt? A. Cations B. Chemical bonding C. Valence electrons D. Anions

What must be true in order for individuals best suited for growth and reproduction in a particular environment to contribute disproportionately to the next generation?

What patterns can be used to identify the ancestry line of an organism

Discuss the relationship between mitosis and cytokinesis.

Two types of disorders

What did Rutherford model of the atom include that Thompson's model did not have?

Shelby is a plant breeder who is trying to identify the cause of a disease among a group of trees. She observes that the organism reproduces through spores and has reproductive structures that are shaped like a sac. Which type of fungus is it? A.

Human gametes contain one set of chromosomes, therefore we refer to these cells as:

True or False? The pharynx and larynx are generally not coordinated during swallowing in an unresponsive person, making them more prone to choking.

How can large amounts of food be heated or chilled quickly?