When stem cells grown on hard, rigid surface, then they became bone cells. Researchers demonstrate in Nature materials that human mesenchymal stem cells grown on a rigid substrate for some time become biased toward differentiating into bone-cell lineage, whereas cell grown on softer surfaces are just likely to eventually follow a bone or fat cell fate.
Phototropism as photo means light
eg: photosynthesis
Answer:
Mutualistic relationships is where both organisms cooperate and benefit from each other while predator prey relationships is just an organism hunting down another organism.
Explanation:
Hope that helps
