The definition of an ecological relationship is the relationship between organisms in an ecosystem, so you can find them in almost any ecosystem.
The correct answer is self-renewal.
The hemopoietic stem cells, found in the red bone marrow, is a usual example of adults stem cells. These stem cells, divide into different kind of blood cells. The bone marrow also comprises a second kind of adult stem cell called mesenchymal or stromal stem cell. The adult stem cells have also been witnessed in various other kinds of tissues like skeletal muscle, brain, skin, blood vessels, heart, and the teeth.
These adult stem cells possess the tendency to differentiate into other kinds of cells, and can also differentiate in self-renewal to generate more of the similar kind of stem cells.
Self-renewal refers to the procedure by which the differentiation of stem cells takes place to produce more stem cells, continuing the pool of stem cells all through the life. Self-renewal is considered as the differentiation with the sustenance of the undifferentiated state.
Muscles,tendons,ligaments,and cartilage
Answer: The phototropic response occurs because greater quantities of auxin are distributed to the side away from the light than to the side toward it, causing the shaded side to elongate more strongly and thus curve the stem toward the light
