Tobject]user: through which structure do wastes pass into the rectum?
a. duodenum
c. small intestine
b. large intestine
d. villus

The images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that . the archaeopteryx and bird have wings, while dinosaurs have limbs. so, it can be concluded that .

Which sequence correctly shows the path of carbon dioxide during repiration?

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses