Types of grief. Grief comes at different points along the journey of loss, but the primary points are the period that begins at diagnosis and the period that begins at the death of a loved one. From the point of diagnosis to death, there are two types of grief: preparatory and anticipatory. Preparatory grief is experienced by the person who is ill as they grieve the loss of their health, independence, and the shortened time they will have with others.
adâ¢apâ¢taâ¢tion. 1. the act of adapting or the state of being adapted. 2. something produced by adapting: an adaptation of a play for television. 3. a. any beneficial alteration in an organism resulting from natural selection by which the organism survives and multiplies in its environment.hese traits are adaptations âcharacteristics or behaviors that give an organism an edge in the struggle for survival. Darwinian theory holds that adaptations are the result of a two-stage process: random variation and natural selection.
It's hard to imagine that a clam could be a close cousin to the earthworm, because most familiar molluscs have a highly modified body type. The ancestral mollusc probably resembled a chiton, a flattened worm like animal protected by a dorsal shell. Both molluscs and annelids probably evolved from free-living flatworms.