ADVERTISING
 
Saturday, September 22   Sign in or Register
 
Evangelical Focus
 

 
 
 
FOLLOW US ON
  • Twitter
  • Facebook
  • Google +
  • Instagram
  • Soundcloud
 

Newsletter
Newsletter, sign up to receive all our News by email.
 
 

POLL
Faith and political views
In my church...




SEE MORE POLLS
 

 
TOP 10 MOST VIEWED



Antonio Cruz
 

The Spirastrella sponge

They reside in the dark rocky depths close to the shore, but when they are exposed to artificial light they show off their marvellous colours. But there is nothing ostentatious about their display.

ZOE AUTHOR Antonio Cruz TRANSLATOR Roger Marshall 19 NOVEMBER 2016 22:40 h GMT+1
Photo: Antonio Cruz

Ever since I was studying Biology at the University of Barcelona, I have been particularly interested in marine sponges. I photographed this red sponge, Spirastrella cunctatrix), in the Mediterranean sea (Costa Brava). For the publication in 1986 of the massive opus, Història Natural dels Països Catalans,  (15 volumes), I contributed a large number of photographs with comments, and among them, needless to say, there were many sponges.



They reside in the dark rocky depths close to the shore, but when they are exposed to artificial light they show off their marvellous colours. But there is nothing ostentatious about their display. At first sight they seem immobile, but in their interior they possess tiny cells with a flagellum, known as choanocytes, which stir up the water and thus generate a sufficient stream to enable the bacteria, unicellular algae and organic remains to circulate through their internal canals and to be held their as a food source. Some of them, like this Spirastrella have enormous conduits close to the surface  like bulging veins which converge, on the outside, in large orifices (osculations) through which the food enters. Their reproduction is oviparous and they release into the water their little fertilised eggs, which then turn into autonomous larvae. These larvae swim to distant places where, as they settle on rocks, give rise to the emergence of other fouling sponges.



One curious feature of the Spirastrella cunctatrix is that it contains certain substances, known as lectins, which are bioactive compounds with important pharmacological properties. They are natural proteins with anticarcinogenic qualities.



 Intelligent design in nature is undeniable everywhere you look!


 

 


0
COMMENTS

    If you want to comment, or

 



 
 
YOUR ARE AT: - - - The Spirastrella sponge
 
ADVERTISING
 
 
 
AUDIOS Audios
 
Nominal Christianity, a mission field for the church Nominal Christianity, a mission field for the church

An interview with Lars Dahle, of the Steering Committee of the Lausanne Movement Global Consultation on Nominal Christianity held in Rome.

 
Ruth Valerio: A lifestyle that cares about creation Ruth Valerio: A lifestyle that cares about creation

Are Christians called to make a difference in environmental care? What has creation care to do with "loving our neighbours"? An interview with the Global Advocacy and Influencing Director of Tearfund.

 
Kathy Bryan: Online sex trafficking in the USA Kathy Bryan: Online sex trafficking in the USA

“Prostitution is nobody’s dream,  it’s a very traumatic lifestyle”, says Kathy Bryan, director of the Elevate Academy. She mentors former victims.

 
Christians in politics? Christians in politics?

What is the role of Christians serving in politics? An interview with Auke Minnema, the new General Director of the European Christian Political Movement (ECPM).

 
Michael Ramsden: Communicating the Gospel in today’s societies Michael Ramsden: Communicating the Gospel in today’s societies

RZIM International Director Michael Ramsden responds to questions about the secularisation of Europe, the role of Christians in public leadership and the new ‘culture of victimism’.

 
PICTURES Pictures
 
Sharing Jesus with World Cup fans in Moscow Sharing Jesus with World Cup fans in Moscow

A team of Steiger mission is starting conversations about the gospel in the middst of the football celebration in Russia.

 
Analysing current issues in the light of the Bible Analysing current issues in the light of the Bible

At the 2018 Apologetics Forum in Comarruga (Spain), Michael Ramsden, Pablo Martinez, Ruth Valerio and José de Segovia analysed how society and the Bible approach the issues of personal identity, integrity, sexuality, pop culture, and environmental care.

 
European “Bridges to Inclusion” gathering 2018, in Riga European “Bridges to Inclusion” gathering 2018, in Riga

The network of Christian ministries working for the inclusion of people with disabilities, celebrated its tenth continental meeting in Latvia with the participation of 12 countries.

 

 
VIDEO Video
 
How does romantic love change over time? How does romantic love change over time?

Psychatrist Pablo Martínez uses a metaphor to explain how romantic love evolves.

 
‘Mediterráneo’ ‘Mediterráneo’

“Something will change if you have hunger and thirst for justice”, sings Spanish artist Eva Betoret in a song about the refugee crisis.

 
How the loss of universal values led to a loss of civility How the loss of universal values led to a loss of civility

Author Bruce Little: “We have moved from a sense of responsibility to ‘my personal rights’”.

 
Reaching non-Christian ‘Christians’ Reaching non-Christian ‘Christians’

How can we reach those who call themselves ‘Christians’ but have not experienced a conversion to Christ? Forty missiologists and mission practitioners came together for a Lausanne Movement global consultation in Rome.

 
 
Follow us on Soundcloud
Follow us on YouTube
 
 
WE RECOMMEND
 
PARTNERS
 

 
AEE
EVANGELICAL FOCUS belongs to Areópago Protestante, linked to the Spanish Evangelical Alliance (AEE). AEE is member of the European
Evangelical Alliance and World Evangelical Alliance.
 

Opinions expressed are those of their respective contributors and do not necessarily represent the views of Evangelical Focus.