Molars with a. tearing up the food. c. grinding food. b. cutting food. d. none of the above.

What is thought to have caused the mass extinction at the end of the cretaceous period?

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?