• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Mean temperatures are rising these may result in physiological and ecological effects on living organisms. Describe and explain these effects.

Extracts from this document...


Mean temperatures are rising - these may result in physiological and ecological effects on living organisms. Describe and explain these effects. Rising global temperatures, due to an increased concentration of greenhouse gasses in the atmosphere, are likely to have enormous consequences on many, if not all, species. Although the effects may not be direct potential outcomes include: loss of habitat, reduced species diversity, disturbed food chains and weather cycles, denaturation of enzymes. One of the biggest potential issues of global warming is causing a rise to sea levels. Low-land countries and cities (e.g: Venice) are likely to become frequently flooded. This means the habitat changes and organisms whose niche is not specific to the new conditions are likely to either move away from these environments or die - this is most likely to happen to terrestrial animals. ...read more.


In terms of the economy, many countries are famous for specific dishes or nature reserves. If the beauty of these nature reserves, or the availability of the animals for the specific dishes is affected this could significantly reduce the number of tourists to that country. Rising temperatures could have a more permanent effect on food webs world-wide. Most organisms are adapted to a specific niche and will be unable to adapt to changing environments. Organisms living in extreme environments will be affected most. The loss of their habitat could lead to species extinction. It is a known that if air currents above the sea are above 25oC (or thereabouts) then hurricanes and tornadoes are more likely to occur. ...read more.


This could result in an increased yield of crop which is a great bonus. These increased rates will be matched by faster diffusion and active transport rates. Thus plants will be able to take up the required nutrients and minerals more quickly, again increasing the yield! A major physiological effect will be on proteins. All proteins have an optimum temperature. As temperatures rise, ectothermic organism who are unable to control their core temperature, are the most likely to be affected first. Rising temperatures could cause Hydrogen bonds to break thus the tertiary structure of these proteins will change. These changes could render the proteins useless as they are no longer specific to their original needs. Thus organisms could have difficult in digestion (enzymes denatured), cell division (controlled by proteins) and hormonal control (hormones are proteins). ?? ?? ?? ?? ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Energy, Respiration & the Environment section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Energy, Respiration & the Environment essays

  1. the effect of bile concentration on the activity of the enzyme lipase during the ...

    * Mammalian Physiology and Behaviour - Used for background information on bile and digestion of fats. The same can be said about the information I collected from this book, as it to is accurate and reliable. This is because again it is a scientific book checked by many scientist to

  2. Investigating the effects of different lead chloride concentrations on the growth of cress seedlings

    It is an irreversible inhibitor since lead ions bind to the sulphydryl groups of amino acids in the enzyme. Heavy metal ions have a very high affinity for sulphur and bind very strongly to the amino acids. The lead ions cannot be removed from the enzyme and so all reactions

  1. A Comparative Study of the Density of Patella Vulgata (Common Limpets) in the Optimum ...

    The splash zone is at the top where the water never reaches it and it is only splashed by spray. So any organisms existing here are never covered by the tide, so desiccation is a problem. There is no soil so no plants can grow in the splash zone.

  2. Investigating how prolonged exposure to its optimum temperature affects the respiration of yeast.

    * Concentration of glucose. This will not be a factor as it is powdered glucose, but this does also imply that the operator must use the same type of glucose for each test. * Type of yeast. While it may seem obvious, it is necessary that the yeast all comes from the same brand.

  1. Discuss the Advantages and Disadvantages of being Ectothermic and Endothermic in the Vertebrates.

    to the skin so that heat is lost and when they are cold the opposite occurs. Other species pant and sweat to lose heat. Ectotherms are frequently able to temporarily relax homeostasis - allowing physiological variables to fluctuate more widely than usual - so that they can survive in hostile environments.

  2. Investigate the effect of bile salt concentration on the digestion of milk by the ...

    enzyme controlled reaction, as it affects the stability of the tertiary structure of the enzyme. pH affects the tertiary structure, specifically the ionic interactions. If there is a large change in pH some of the charged groups charges change, e.g.

  1. Investigating the effects of Sodium Hydroxide concentration on Catalase

    2.5 cm� of NaOH for each experiment, these two will not react, then I will add my 10% volume of Hydroxide Peroxide, only 2.5cm�, which as a catalyse to the reaction causing it to start. Then putting on the cap on the flask so the gas is collected in the

  2. Investigation into how Lichen growth is affected as you move further away from a ...

    at the River Pont and the River Wansbeck in Morpeth I could not do a 12 meter line transect as there was not enough space as the embankment was adjacent to a public footpath and road. So I scaled back the total distance of the line transect and chose to

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work