alb4185776

Actinie-Moschate

coelenterates are aquatic, mostly marine. The body form is radially symmetrical with a tissue grade of organization. The body has a single opening hypostome surrounded by sensory tentacles leading into a spacious cavity called the gastrovascular cavity or coelenteron. Digestion is both intracellular and extracellular. Respiration and excretion are accomplished by simple diffusion. A network of nerves is spread throughout the body. Many forms exhibit polymorphism, wherein different types of individuals are present in a colony for different functions. These individuals are called Zooids. These animals generally reproduce asexually by budding, though sexual reproduction does occur in some groups.

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Titre:

Actinie-Moschate

Légende: Voir la traduction automatique

coelenterates are aquatic, mostly marine. The body form is radially symmetrical with a tissue grade of organization. The body has a single opening hypostome surrounded by sensory tentacles leading into a spacious cavity called the gastrovascular cavity or coelenteron. Digestion is both intracellular and extracellular. Respiration and excretion are accomplished by simple diffusion. A network of nerves is spread throughout the body. Many forms exhibit polymorphism, wherein different types of individuals are present in a colony for different functions. These individuals are called Zooids. These animals generally reproduce asexually by budding, though sexual reproduction does occur in some groups.

Crédit:

Album / Universal Images Group / Universal History Archive/UIG

Autorisations:

Modèle: Non - Propriété: Non
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Taille de l'image:

1759 x 2984 px | 15.0 MB

Taille d'impression:

14.9 x 25.3 cm | 5.9 x 9.9 in (300 dpi)

Mots clés:

ALLEMAGNE • CORAIL • MATERIAU CORAIL • MER • OCEAN • OCEANOGRAPHIE • PAYSAGE MARITIME • ZOOLOGIE