You are out running and the first mile takes you 10 minutes. the second mile takes you 20 minutes. this is an example of

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

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays