Suppose scientists discovered an organism that had a head with a brain at the anterior end of the dorsal nerve, eyes and other sensory organs, a skull, and a vertebral column. The organism could not be a/an

Which human populations have the highest levels of genetic variation?

A. European populations B. African populations C. Asian populations D. Melanesian populations E. North and South American populations

Stomata generally open in response to ____

a. the release of abscisic acid by the roots b. a drop in CO2 concentration in leaf air spaces c. exposure to red light d. a drop in O2 concentration in leaf air spaces e. an increase in CO2 concentration in the leaf air spaces

Somatic mutations may be inherited by the next generation

Indicate whether the statement is true or false

Cilia are found in certain

A) Protozoa B) Fungi C) Algae D) Bacteria E) All of the above