1. What are the two major groups of cell types in the human body?

-Body (somatic) cells and gametes (sex cells)

-ovaries and testes

-mom and dad

Spiders are hermaphroditic. true or false

Veins take blood back to the heart. Which gas would be most abundant in a vein that takes blood from muscle cells in the arm back to the heart? A carbon dioxide B oxygen C nitrogen D hydrogen

When a person is frightened what system is most activated sympathetic or parasympathetic nervous system?

The underlying assumption of the harrod-domar growth model is that

Which of the following is an example of pseudoscience? Basic research Program evaluation Facilitated communication Heuristic evaluation

Which leads scientists to believe that Earths inner core is solid

A rock formed from the remains of living organisms. the rock is pale in color and soft. the rock is probably a

If an individual's respiratory rate decreases, then blood CO 2 levels: a. rise, blood H + levels rise, and blood pH rises. b. rise, blood H + levels rise, and blood pH falls. c. rise, blood H + levels fall, and blood pH falls. d.

Would a fruit fly offspring be more or less genetically diverse than human offspring?

Which of these is a biotic factor of an ecosystem