the recessive phenotype of a trait occurs in 16% of a population. What is the frequency of the dominant allele

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

Which system revise and send electrical signals throughout the body

What happens whenever a net force acts on an object