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Giddiness:is a very complex and poorly understood symptom when it occurs on standing, can be caused by a drop in the blood supply to the brain oc.
- Predation: One Wins, One Loses. Predation includes any interaction between two species in which one species benefits by obtaining resources from and to the detriment of the other.
- Competition: The Double Negative. Competition exists when multiple organisms vie for the same, limiting resource. Because the use of a limited resource by one species decreases availability to the other, competition lowers the fitness of both.
- Mutualism: Everyone Wins. Mutualism describes an interaction that benefits both species. A well-known example exists in the mutualistic relationship between alga and fungus that form lichens.
- Commensalism: A Positive/Zero Interaction. An interaction where one species benefits and the other remains unaffected is known as commensalism. As an example, cattle egrets and brown-headed cowbirds forage in close association with cattle and horses, feeding on insects flushed by the movement of the livestock.
The structure and function of the nervous system. The nervous system enables humans to react to their surroundings and to coordinate their behaviour. It comprises millions of neurones...
Jan 14, 2024 · Homeostasis is a fundamental concept in biology that refers to the self-regulating process by which biological systems maintain stability while adjusting to changing conditions. This stability, or equilibrium, is essential for organisms to function effectively and efficiently.
Jan 9, 2024 · Giddiness is a sensation of feeling faint, woozy, weak, or unsteady. It is usually caused by a sickness or illness and is considered a symptom rather than a disease. Dizziness is caused by inner ear disturbance, motion sickness and medication effects.
Apr 7, 2019 · A symbiosis is an evolved interaction or close living relationship between organisms from different species, usually with benefits to one or both of the individuals involved.
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The earliest known use of the noun giddiness is in the Middle English period (1150—1500). OED's earliest evidence for giddiness is from before 1290, in Signs of Doomsday . giddiness is formed within English, by derivation.
