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Hard work, nice holidays!

Congratulations, now the schoole year is over for you!

Enjoy your holidays after this hard work year, you deserve it.

Tio finish this blog I would like to thank you the effort you have done facing this technology and I want to share some statistics about our blog:

In the image you can see the monthly evolution of visits in our blog with a maximum for this last month of more than 2000 visits.

There is also a list with the search terms that people type in search engines to get to this blog (click on the image to enlarge).

We have posted more than one hundred posts (106)

We achieved – up to today June 21st_ the number of 9,343 visits in total to our blog with a peak of 186 views on our busiest day, it was on June 13 (2011).

This has been your work and this is your blog, feel free to keep it alive telling whatever you want or just let it here as it is now, for any one who find it useful.

See you, guys. Enjoy.


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Ecology Task Homework on the blog

image by *inSOLense

  1. Carbon cycle (general)- Bea Aznar.
  2. Photosythesis and respiration (related to Carbon cycle) – Tamara Cruz.
  3. Greenhouse effect (natural and anthropogenic)  – gases & effects – Sara Escribano.
  4. Deforestation (its influence on the Carbon Cycle and relation with Global warming) – Pilar Legido.
  5. Nitrogen cycle (Including the terms: fixation, ammonification, denitrification and assimilation) – Inés Rubio.
  6. Acid rain (realtion with N Cycle, gases and consequences) – Silvia Vinués.
  7. Eutrophication (realtion with N Cycle, causes and consequences) – Nerea López.
  8. Fertilizers (organic and inorganic, and their environmental consequences)- Belén Mercader.
  9. Decomposers importance in the ecosystem (what are they and what do they do?)- Samuel Quílez.
  10. Types of pyramids (numbers, biomass and energy) – Martín Ramos.
  11. Wastes (the 3 Rs rule) – Andrea Rubio.
  12. Energy classification (difference between the 2 groups, and types of energy) – Jara Villar

Do a good work in order to get a good mark from it. Please, do not copy and paste from the web and do not forget that your post should have:

  • Personal explanation (use your own words).
  • Image and/or video
  • Sources of information.
  • A couple of questions.

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Monk seals

By Tamara Cruz Ortega

Monk seals are aquatic mammals and It hasn´t got external ears. You can not turn their hind flippers forward under the body and its skin is covered with hair. The monk seal is named for having a fat ring behind the head. Monk seals live in warm waters and belong to the genus

There are three species:

  • The monk seal of the Mediterranean (Monachus Monachus).
  • The monk seal of the tropical Indean (Monachus Tropicalis).
  • The monk seal of Hawaiian (Monachus Schauinslandi).

The monk seal of the Mediterranean is one of the 10 most endangered mammal species inthe world. In Spain, contained in the category “endangered” National Catalogue of Endangered Species.

Today only about 500 copies are distributed between the Mediterranean and Eastern Atlantic
persecution by fishermen, the reduction of coastal fisheries, pollution and habitat destruction.

Nowadays to prevent the hunting of monk seals and the extinction of them we have to reduce the fishing and to pollute and destruct their environment without sea pouring harmful products and preventing them from reaching shore and kill slowly on account of that dozens of monk
seals over the years.

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Natural Selection

Work by Belén Mercader.

Natural Selection:

The Natural Selection is the term used in biology for the process by which biologic traits become more or less common in population due to consistent affects upon the survival or reproduction of their bearers.

The evolution is the result of the natural selection plus the changes in the environment.

The natural selection consists in the survival of the strongest, one example is the birds’ beak, if there is an environment in which the principal aliment are the nuts, those birds with the strongest beak will survive and they will be good fed, but the birds who haven’t got a strong enough beak, they will have a lack of food and the specie could not survive.


The first paragraph:


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Evolution Webquest

First give a look at this Evolution game and then watch this video  Teacher’s Guide to: Evolutionary theory and answer the quiz questions.


After that  visit an read  some of these ppts:

Or the ones in biodeluna tagged as Evolution.

Answer these questions:

  1. Define Evolution.

  2. What did Darwin noticed thanks to the Beagle voyage?

  3. Write the main points of Lamarckian evolution theory.

  4. Write the main points of Darwinian evolution theory.

  5. Why is Lyell related to Darwin´s theory?

  6. When did Darwin do the Beagle voyage? How old was he by then?

  7. Explain the key concept he found in the finches to propose his theory

  8. When did he published the book presenting his theory of evolution? What was the title of this book?

  9. What are homologous organs? Give example.

  10. Make a list with the evidences of evolution.

  11. Who thought of a very similar theory to Darwin´s one?

  12. What is the basis of Neodarwinism?

  13. What are the causes of variation according to Neodarwinism.

  14. Find out what is “Co-Evolution

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Retired river Ebro meanders at La Alfranca and Juslibol.

As Andrea had some technical problems I am uploading her work for her:

Definition of meander : in general is a bend in a sinuous watercourse. A meander is formed when the moving water in a stream erodes the outer banks and widens its valley.


  • The Alfranca, Center of Interpretation of the Galachos. The galacho of The Carthusian one, together with those of The Alfranca de Pastriz, and The Hamlet of Ebro, they shelter one of the ecosystems better preserved of Aragon; three former meanders of the Ebro, left by successive modifications of the riverbed of the river, which in Aragon is known by the name of “galacho”. These places constitute an exceptional set of humid zones. As consequence of these special conditions, an exhuberante appears vegetation, where they find refuge an important variety of animal species.
  • Los galachos de juslibol. The galachos, Aragonese denomination of left meanders, are typical examples of the fluvial dynamics of the river, with their variations of course, humid variations in the swellings, areas, bars of fluvial sediments and escarpments in erosive fronts, etc. The studies of maturity in the fluvial channels are characterized by divagantes or meandriformes courses, almost always, with an ample development of the plains of flood and terraces. The meanders characterize by a erosive margin and another deposicional, that finally advance until leaving stretches of the river isolated, by connection of the erosive fronts; these are the galachos. Thus humid areas are constituted, generally with abundance of vegetation and fauna, that usually flood themselves during the avenues of the river. The galachos of Juslibol and Alfranca constitute good examples of the exposed thing, being object of a certain level of protection by the Administrations; it exists, for example, a project of development of galacho of Juslibol like park or natural green zone of Zaragoza.

Andrea Rubio

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Rivers and Ecology Task

Image from  here.

  1. Water importance and water uses. How can we save water? Sara e Inés.
  2. Rivers in Zaragoza city. Nerea y Belén
  3. Plants in river Ebro (at least 10). Martín y Samuel
  4. Animals in river Ebro  (at least 10). Tamara y Pilar
  5. Retired river Ebro meanders at La Alfranca and Juslibol. Andrea 
  6. Aloctone species: Catfishes and zebra mussel in River Ebro. Jara, Bea y Silvia

This blog task is to be posted before april 29th, then you have to read your friends posts and this way we prepare our excursion to visit the rivers of the city on april 29th. On that day you will have to do a presentation (explanation) of your work (about 10  minutes) which will give you another mark for this term.

In case you find any technical problems to upload your work either send me an email with it or save it in a pen drive to give to me on twesday 26th.

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