Invelisul chitinos reprezinta exoscheletul:
a. coralilor b. melcului-de-gradina. c. paianjenul. d. scoicii-de-lac.

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

Discuss the functions of epithelial connective nerviud and muscular tissues

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.