What happens after we die?

Why has two different alleles for the same trait?

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

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.