A student is examining leaf cells. Which organelles are most likely to be missing from the cells? A. ribosomes
B. chloroplasts
C. lysosomes
D. mitochondria

Which of the rock examples below is most likely to be metamorphic

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.

What is a general feature of a species that varies from one individual to the next (skin tone,eye color or hair color)? a.organism b.trait c.character