Definition | Keyword | % Correct |
---|---|---|
The mechanism that reverses a change, bringing the system back to the optimum | Negative feedback | 89%
|
Maintaining a constant internal environment despite changes in external and internal factors | Homeostasis | 86%
|
The mechanism that increases a change, taking the system further away from the optimum | Positive feedback | 74%
|
The part of the brain that coordinates homeostatic reponses | Hypothalamus | 71%
|
A cell, tissue or organ that brings about a response | Effector | 69%
|
An organism that uses heat from metabolic reactions to maintain body temperature | Endotherm | 51%
|
The way in which cells communicate with each other | Cell signalling | 20%
|
An organism that relies on external sources of heat to maintain body temperature | Ecotherm | 11%
|
Cells/sensory nerve endings that respond to a stimulus in the internal or external environment of an organism and can create action potentials | Sensory receptors | 9%
|
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