Which two statements are true about the effects of life on Earth’s early oceans?

All eukaryotic cells contain small bodies called

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.