Alizard lies on a rock to raise its body temperature. this is called a. endothermy b. ectothermy c. hydrothermy d. geothermy

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen

Compare the parts of a cell and the cell as a whole to another common nonliving system (i. e., a car, a city, describe the parts of a cell and their primary function.