Avolcanic eruption led to the formation of a tiny island. twenty years later, this island had many rich forms of life. what took place on this island?
a. primary succession
b. secondary succession
c. climax communities

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen