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首页> 外文期刊>Zoologia (Curitiba) >The biology and functional morphology of Macoma biota (Bivalvia: Tellinidae: Macominae)
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The biology and functional morphology of Macoma biota (Bivalvia: Tellinidae: Macominae)

机译：Macoma生物群的生物学和功能形态（双壳纲：Tellinidae：Macominae）

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Macoma biota Arruda & Domaneschi, 2005, is a recently described species known only from the intertidal zone of Praia da Cidade, Caraguatatuba Bay, in the state of S?o Paulo, southeastern Brazil. The main purpose of the present paper is to describe the biology of M. biota, beginning with a detailed analysis of its anatomy and functional morphology and how these attributes are correlated with its habitat and life history. The morphology of the organs in the pallial cavity and their sorting devices indicate that this species has efficient mechanisms to process large amounts of particles that enter this cavity via the inhalant current. M. biota can rapidly select the material suitable for ingestion and direct the undesired excess to the rejection mantle tracts. These characteristics along with the siphon's behavior and the digestive tract configuration reveal that this species can be classified primarily as a deposit feeder, like other species of the genus; however, it can also behave as a suspension feeder, depending on the environmental conditions.
机译：Macoma生物群Arruda＆Domaneschi，2005年，是一种最近描述的物种，仅在巴西东南部圣保罗州卡拉瓜塔图巴湾的Praia da Cidade潮间带已知。本论文的主要目的是描述M. biota，从对其解剖结构和功能形态以及这些属性如何与其栖息地和生活史相关联的详细分析开始。腹腔内器官的形态及其分选装置表明，该物种具有有效的机制，可处理通过吸入流进入该腔的大量颗粒。生物分枝杆菌可以快速选择适合食入的材料，并将多余的部分引至排泄物套。这些特征以及虹吸管的行为和消化道结构表明，该菌种可以像其他属的菌种一样主要归类为沉积物。但是，根据环境条件，它也可以充当悬浮喂料器。

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