The endosymbiosis theory explains the origins of organelles such as mitochondria and chloroplasts in eukaryotic cells. The theory proposes that chloroplasts and mitochondria evolved from certain types of bacteria that eukaryotic cells engulfed through endophagocytosis.any instances of endosymbiosis are obligate; that is, either the endosymbiont or the host cannot survive without the other, such as the gutless marine worms of the genus Riftia, which get nutrition from their endosymbiotic bacteria.
Rational Emotive & Cognitive-Behavior Therapy. REBT is the pioneering form of cognitive behavior therapy developed by Dr. Albert Ellis in 1955. REBT is an action-oriented approach to managing cognitive, emotional, and behavioral disturbances.According to REBT, it is largely our thinking about events that leads to emotional and behavioral upset.EBT is an action-oriented approach to managing cognitive, emotional, and behavioral disturbances. According to REBT, it is largely our thinking about events that leads to emotional and behavioral upset.
- There are some losses due to the process of group decision making. - Promotive communication keeps the group moving along, yet some members can be disruptive or even counteractive. - Most of the research on this theory has been some in a controlled setting.pistemological Assumptions: This theory is based on one truth. There is a system that groups will follow. Axiological Assumptions: This theory is value-neutral because there is a four-step system that groups follow to rationalize their communication, regardless of their original values.