there are four layers of cells in the epidermis of thin skin. from superficial to deep, these layers are stratum , stratum , stratum , and stratum basale.

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Name the organs of humanelemintary canal.

Mitosis creates two identical daughter cells from one parent cell creates four nonidentical daughter cells from one parent cell is the most common type of reproduction for bacteria is the process by which male and female reproductive cells are created