Which of the following cells would be found in xylem tissue?
a. sieve tube members
c. companion cells
b. tracheids
d. guard cells

The response is the basis for vaccination. primary secondary tertiary none of the above

The more rapidly sedimentation occurs, the more likely it is that the remains will successfully form a fossil. as sedimentation continues, what happens to the amount of weight settling onto the organism? stays the same increases decreases cuts in half

Organisms may contain up to five levels of organization within their bodies. which level of organization is shown by the liver? a. tissue b. organ c. organism d. organ system