Select all the correct answers. Which two body systems interact to expel the waste product carbon dioxide?

1) urinary system
2) nervous system
3) excretory system
4) circulatory system

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above