The physical basis of life. In accentuating the direct competition between individuals for resources as the primary selection mechanism, Darwin and especially his followers created the impression that the environment was simply a static arena".
Essence of Gaia Theory. Life at its origin can be considered to have fed on the blanket of gas which kept it warm. Third Gaia conference[ edit ] By the time of the 2nd Chapman Conference on the Gaia Hypothesis, held at Valencia, Spain, on 23 June the situation had changed significantly.
Our own bodies have several of these feedback mechanisms, all of which are geared to maintaining conditions within a certain proper and balanced range.
He named that being Gaia, after the Greek goddess which drew the living world forth from Chaos. Margulis then argued that simple bacteria eventually evolved into more complex eukaryotic pronounced you-kar-ee-AH-tik cells or cells with a nucleus.
What are the feedbacks among these different parts of the Gaian system, and what does the near closure of matter mean for the structure of Gaia as a global ecosystem and for the productivity of life?
Lynn Margulis Later, other relationships such as sea creatures producing sulfur and iodine in approximately the same quantities as required by land creatures emerged and helped bolster the hypothesis. The only form that did exist was what many consider to be the first forms of life—anaerobic pronounced ANN-ay-roe-bik bacteria that lived in the ocean.
It follows that much of the water vapour in the upper atmosphere which is photolysed to produce oxygen is a biological product resulting from the oxidation of biological methane.
Stephen Jay Gould criticised Gaia as being "a metaphor, not a mechanism. Life is the regulating mechanism Lovelock claims that all of the living things on Earth provide it with this necessary harmony. The thermostat is designed so that when the temperature falls below a certain setting, the furnace is turned on and begins to heat the house.
He said that Gaia is the "Living Earth" and that Earth itself should be viewed as being alive. Viking found nothing on Mars, but Lovelock had seen the Earth from the perspective of an ET looking for evidence of life.
As to the name Gaia, the story goes that Lovelock was walking in the countryside surrounding his home in Wilshire, Englandand met his neighbor, English novelist William Golding —author of Lord of the Flies and several other books.
But a sure giveaway would be a complete atmospheric analysis How should we be searching for daisies, and should we intensify the search? As one example, it has been shown that cloud formation over the open ocean is almost entirely a function of the metabolism of oceanic algae that emit a large sulfur molecule as a waste gas that becomes the condensation nuclei for raindrops.
Is Gaia herself somehow part of a larger living being, perhaps on a galactic scale? The purpose of this paper is to introduce the Gaia hypothesis at least for entertainment and for the induction of new questions about the Earth.
The difficulty can be lessened if you let the image of a giant redwood tree enter your mind. Golding's advice was based on Gea, an alternative spelling for the name of the Greek goddess, which is used as prefix in geology, geophysics and geochemistry.
In [this] new approach, environmental regulation is a consequence of population dynamics, not Darwinian selection. Her theory is called endosymbiosis pronounced en-doe-sim-bye-O-sis and is based on the fact that bacteria routinely take and transfer bits of genetic material from each other.
The Gaia Theory has already inspired ideas and practical applications for economic systems, policy, scientific inquiry, and other valuable work.
Still less is Gaia the same as the biota, which is simply the collection of all individual living organisms. Stated simply, the idea is that we may have discovered a living being bigger, more ancient, and more complex than anything from our wildest dreams.
For instance, arguments both for and against it were laid out in the journal Climatic Change in and The geological record and the fact of the persistence of life provide strong evidence that at no time in the past 3.
It is not the purpose of this article to consider in detail the exact mechanism which could have been used to this end. How can Gaian mechanisms be investigated using process models or global models of the climate system that include the biota and allow for chemical cycling?The Gaia Theory offers insights into climate change, energy, health, agriculture, and other issues of great, if not urgent, importance.
Overall, the Gaia Theory is a. Gaia hypothesis. The Gaia (pronounced GAY-ah) hypothesis is the idea that Earth is a living organism and can regulate its own environment.
This idea argues that Earth is able to maintain conditions that are favorable for life to survive on it, and that it is the living things on Earth that give the planet this ability. James Lovelock is fast becoming one of my heroes.
These days, he’s best known for the Gaia hypothesis, which sees the Earth as a complex, self-regulating system.
There’s a lot more to him. Gaia Theory is a compelling new way of understanding life on our planet. The theory asserts that living organisms and their inorganic surroundings have evolved together as a single living system that greatly affects the chemistry and conditions of Earth’s surface.
The Gaia Hypothesis by Michael Ruse gets to the heart of the question Review: The Vanishing Face of Gaia by James Lovelock Might the climate face a similar crash to the economy? Gaia – “The earth is more than just a home, it’s a living system and we are part of it.” (James Lovelock) is simply the core of James Lovelock’s Gaia theory, also known as the Gaia hypothesis.Download