Down's syndrome occurs because of a(n) missing sex chromosome

extra sex chromosome

additional 21st chromosome

additional 18th chromosome

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing: