Answer:The role of a producer is to make its own food and provide food for the rest of the ecosystem such as algae. They are then consumed by consumers.
Explanation:
b. June 21:
c. September 23:
d. December 21:
Answer:
chemicals
Explanation:
Answer:D: all the above
Explanation:
The correct answer is option C
Unipotent stem cells are those stem cells that can form cells of one lineage only. An adult would be having the maximum number of unipotent stem cell as it has gone through the process of cell differentiation and the cell have been differentiated into different kinds of cells. For example: skin stem cells
The stem cells of embryo are mainly pleuripotent and multipotent that can form cells of different lineages.