Which is NOT a shared characteristic of all chordates?

A. A ventral, solid nerve cord.

B. A notochord

C. Pharyngeal slits

Design an Experiment Question: What is the effect of day length on plant growth? Hypothesis: Plants will grow more when the day is longer. What is the dependent variable in your experiment? What is the independent variable?

43. If the chemical maleic anhydride reacts with water to form a strong acid, which of the following would be the best method for disposing of maleic anhydride in the lab setting?

In bacteria, a partially diploid strain may result from Choose one or more: A. acquisition of an F' factor. B. acquisition of F factor. C. natural transformation (not electroporation). D. generalized transduction. E. specialized transduction.

Which examples describe some uses for gemstones? Select 2 choices. fabrics jewelry plastics drill bits paper clips

DNA in a solution is negatively charged; if you ran a sample of DNA, what would you predict about its migration?

Trace a drop of blood from the left atrium to the left hallucinating and back to the right atrium

Besides the ability of some cancer cells to divide uncontrollably, what else could logically result in a tumor?

Which of the following is an abiotic factor you might find in a desert

A population is a population is a group of individuals of the same species that live in the same area and interbreed. all individuals of a species, regardless of location or time period in which they live.

Tongues have the ability to taste sweet, sour, salty, and bitter. true false