How common is a mule found

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet