Sentences with phrase «survived on the carbon dioxide»

During the experiment Packham breathed oxygen given off by the wheat, while the plants survived on the carbon dioxide he exhaled.

Not exact matches

Phototrophic bacteria uses sunlight, carbon dioxide, and water to make its own energy, while heterotrophic bacteria must «feed» on provided organic matter or phototrophic bacteria to survive — think of cows grazing in a grassy field.

Specimens of elkhorn coral living in water with excess carbon dioxide have been studied for fertilization rates, ability of larvae to settle on reef substrate (where they produce new corals), and subsequent growth and survival.3 Three levels of carbon dioxide were tested, corresponding to concentrations today, at mid-century, and at the end of the century on a high - emissions path.3, 5 At the mid-century concentration, the ability of fertilization to occur and for larvae to settle successfully on the reef was significantly reduced: around 52 percent, and the decline intensified to about 73 percent at the late - century concentration.3 The corals» ability to survive over the long run declined as well, by an average of 39 percent and 50 percent respectively.3, 4

The safe level of atmospheric carbon dioxide is no more than 350 parts per million, if we want the diversity of other species on the planet to survive — as well as «amenities» that humans require, such as fresh water supplies, stable coastlines and a normal degree of extreme weather events.

The carbon offset, trading and what have you that we are being conned on do not remove one molecule of carbon dioxide from the 35 % and growing overload of that gas already on the globe causing melting, coral destruction, and various shifts in biota to relocate their niches for proper temperatures to survive.

In his contribution to Dot Earth on the subject, Ray Pierrehumbert (one of the authors of the NCC paper, and someone I know a bit and admire a great deal) says «it's true that given a thousand years or so — if technological civilization survives — it becomes likely that we could develop ways to remove carbon dioxide from the atmosphere.»