Antarctica is located on the South Pole of Earth where the climate is harsh and bitterly cold. Scientists have discovered fossils of ectothermic (cold blooded) animals in Antarctica. Which MOST likely explains how these ectothermic animals survived in Antarctica?

What noticeable trend from this graph might be used to make a conclusion?

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium