A token economy.
It basically means that rewards and punishment shape behavior of students.
Answer:
The correct answer is B.
Explanation:
The fibroblast is a dynamic cell, which exerts tissue functions at the local level and the immune system. Among its main functions is the formation of connective tissue fibers called collagen and elastin; The fibroblast performs other equally important roles such as: The production and maintenance of the fundamental substance in which its fibrous products are embedded, it has the ability to synthesize and phagocytize collagen and extracellular matrix components in connective tissue remodeling processes.
The organism that has no specialized cell is Paramecium.
Paramecium are members of the phylum Ciliophora. They feed on organisms like bacteria, algae, and yeasts . These organisms uses cilia to sweep the food along with some water into the cell after it falls into the oral groove. The food then goes through the cell mouth into the gullet.
Mitosis is an asexual method of reproduction, and so is binary fission.