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Arthropods are distinguished from other animals by segmentation, meaning their bodies are divided into distinct parts. Insects have three body regions: head, thorax, abdomen. Arachnids have just two body regions: cephalothorax, abdomen.Elexus M. Sandoval. <3 Date Of: 2/10/11Vista Academy!!
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A body section of some arthropods formed by the fusion of the head with the thorax?

segmentation


What are the three distinct body sections of arthropods?

head, thorax, and abdomen, although the head and thorax can be joined to form a cephalothorax.


Do arthropods have cehphlathorax?

Only some arthropods have a cephalothorax, like for example the lobster. Other arthropods have functionally separate (or non-fused) head and thorax, like many insects.


What is the cephalothorax on a arthropoda?

The cephalothorax on some arthropods is a tagma, a functional grouping or fusing of segments effectively combining the head and thorax, such as you might see on a lobster (which still has a distinct abdomen). By contrast, many insects (also arthropoda) have a separate head and thorax.


What is the combination of head and thorax?

the answer to that is "cephalothorax" which is a head and a thorax.


What is a cephalothorax composed of?

the head and thorax


Does the crayfish have a thorax?

Not exactly, it has a cephalothorax, which is a head and thorax fused together.


What are the fused segments in an arthropod?

In arthropods, the fused segments are called tagmata. These are specialized body regions that are made up of multiple segments fused together to perform specific functions. Examples of tagmata include the head, thorax, and abdomen in insects.


What is a combination of dead and thorax in arachnids?

Cephalothorax.


Why is the crayfish classified as a segmented body?

Crayfish are classified as having a segmented body because their anatomy is organized into distinct sections, known as segments. These segments include the cephalothorax (fused head and thorax) and the abdomen, each of which contains specialized structures and organs. This segmentation is a characteristic feature of arthropods, allowing for greater mobility and adaptability. Additionally, the segmentation facilitates the development of jointed appendages, which are crucial for their locomotion and feeding.


Combination of head and thorax?

The name for this is a 'cephalothorax' which just literally means head-thorax.


What is it called when the head and thorax are fused?

This is called a Cephalothorax.