O marisco de 400 anos – como um pequeno molusco engana o tempo e vive através dos séculos.
Autor: Juliana Americo | Publicado: 2012-07-15T21:56:00-03:00

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“Posso ouvir o vento
passar,
assistir à onda bater,
mas o estrago que faz
a vida é curta pra ver...”

(O vento, Marcelo Camelo)



Para alguns animais, a vida é ainda mais curta do que para outros. Quase
 tão curta quanto o breve intervalo de tempo entre marés. As efémeras 
são pequenos insetos que, como o nome sugere, vivem por pouco tempo, 
cerca de um dia. A efémera adulta vive algumas horas, não se alimenta e 
investe sua energia na reprodução, para deixar filhotes que também 
viverão somente o dia seguinte. Mas alguns animais tem uma estratégia de
 vida diferente e investem a maior parte da sua energia no crescimento e
 manutenção corporal. Pensando neste extremo oposto, tente adivinhar que
 animal vive por mais tempo e você provavelmente pensará nos elefantes, 
que vivem em média 70 anos, ou talvez nas tartarugas, que podem atingir 
150 anos. Mas se engana quem pensa que eles batem o recorde. O 
recordista é um pequeno marisco, parente das ostras e mexilhões, chamado
 Arctica islandica. Ele vive enterrado no fundo do frio oceano Atlântico norte e pode viver mais de 400 incríveis anos.





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