Provides protection and a space to move and breathe * Umbilical cord
Amniotic sac
Amniotic fluid
placenta

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 worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?