Joy has a DNA sample from each of five unknown animals. She wants to find the molecular mass of each sample to determine which sample belongs to which animal. Which method should she use? A. Gel electrophoresis of the DNA samples
B. Transformatiion of different E. coli strains using the DNA samples
C. Paper chromatography of the DNA samples

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-