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What is meant by metameric segmentation?
In biology, metamerism is a linear series of body segments fundamentally similar in structure, though not all such structures are entirely alike in any single life form because some of them perform special functions.
What are the two features of ant and shrimp which enable biologists to group them into the same phylum?
they are metameric beings (segmented body), they have anexoskeleton made of chitin and they present articulated limbs.
What segmentation does mollusca have?
Mollusca is segmented into three main classes: Gastropoda (snails and slugs), Bivalvia (clams and mussels), and Cephalopoda (squid, octopus, and nautilus). Each class has distinct characteristics and adaptations that make them unique within the phylum Mollusca.
What phylum of worms has a true coelom and a complete digestive tract?
The phylum Annelida includes worms that have a true coelom and a complete digestive tract. Annelids, such as earthworms and marine bristle worms, exhibit segmentation and are known for their well-developed body cavities and digestive systems.
How are segmented worms classified?
Segmented worms are classified under the phylum Annelida. They are characterized by their body segmentation, which is divided into repetitive segments called metameres. Annelids include earthworms, leeches, and marine bristle worms.
Which phyla has metameric segmentation in the body of animals?
Metameric segmentation is a characteristic feature of the phylum Annelida, which includes segmented worms such as earthworms and leeches. These animals have a linear series of body segments that are repeated along the length of their body.
What is metameric?
If an organism is "metamerically segmented", it is composed of many connected parts which are very similar in structure. For example, an earthworm is metamerically segmented, because if you look at it you can see lots of little rings. Check the Wikipedia page on "Metamerism" for more information.
Annelids are the first phylum to exhibit?
segmentation
State the advantages of metameric segmentation in Annelids?
Annelids is one type of worm, their long and moist body composed of many internal organs that are duplicated all times. Well, by having metameric segmentation, they can still survive if one other segment damaged or injured.
Does the phylum mollusca have segmentation?
No, molluscs do not have segmentation, although there are three body regions which are not considered segmentations; a head, visceral mass and the (muscular) foot.
What is meant by metameric segmentation?
In biology, metamerism is a linear series of body segments fundamentally similar in structure, though not all such structures are entirely alike in any single life form because some of them perform special functions.
Which of the phyla in kingdom animalia have external segmentation?
Annelida (segmented worms) is the phylum in kingdom Animalia that exhibit external segmentation, with visible body segments along their length. This characteristic segmentation is a defining feature of the group, allowing for greater flexibility and movement.
What are the two features of ant and shrimp which enable biologists to group them into the same phylum?
they are metameric beings (segmented body), they have anexoskeleton made of chitin and they present articulated limbs.
What phylum is the bearded fireworm?
There are three phylums that contain worms. Platyhelminthes are the flat worms, Nematoda are the round worms, and Annelida are the segmented worms. The Bearded Fireworm is a part of the Annelida phylum because its body has segmentation.
What segmentation does mollusca have?
Mollusca is segmented into three main classes: Gastropoda (snails and slugs), Bivalvia (clams and mussels), and Cephalopoda (squid, octopus, and nautilus). Each class has distinct characteristics and adaptations that make them unique within the phylum Mollusca.
What phylum does the bearded fireworm belong to?
There are three phylums that contain worms. Platyhelminthes are the flat worms, Nematoda are the round worms, and Annelida are the segmented worms. The Bearded Fireworm is a part of the Annelida phylum because its body has segmentation.
What is metamerically segmented?
If an organism is "metamerically segmented", it is composed of many connected parts which are very similar in structure. For example, an earthworm is metamerically segmented, because if you look at it you can see lots of little rings. Check the Wikipedia page on "Metamerism" for more information.
