The cephalothorax is composed of what?

(Taxon-specific: Order Amphipoda) Term applied to anterior section of body consisting of head (cephalon) fused with first (and occasionally with second) thoracic somite.

1. What is the cephalothorax made of?
2. What is a cephalothorax?
3. What does the Opisthosoma contain?
4. What is cephalothorax with example?
5. What is a cephalothorax and in which arthropod class is it found?
6. What animals have a cephalothorax?
7. What is the cephalothorax of a crayfish?
8. Is cephalothorax found in earthworms?
9. What appendages are attached to the cephalothorax?
10. Where is the cephalothorax found?
11. What are the Tagmata sections of an insect?
12. Do all crustaceans have a cephalothorax?
13. What is the function of cephalothorax in spiders?
14. What has a cephalothorax and abdomen but no antennae?
15. Is cephalothorax is found in prawn?

What is the cephalothorax made of?

The cephalothorax, also called prosoma in some groups, is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind.

What is a cephalothorax?

Definition of cephalothorax

: the united head and thorax of an arachnid or higher crustacean.

What does the Opisthosoma contain?

The opisthosoma, or abdomen, contains the majority of the internal organs. In spiders, the prosoma and opisthosoma are joined by a narrow bridge called the pedicel.

What is cephalothorax with example?

The definition of a cephalothorax is the head and chest on crustaceans and arachnids. An example of a cephalothorax is the head and chest of a crab. ... The combined head and thorax of arachnids, such as spiders, and of many crustaceans, such as crabs.

What is a cephalothorax and in which arthropod class is it found?

cephalothorax In some members of the phylum Arthropoda, the fused head and thorax. It is found in members of the Chelicerata (classes Merostomata, Arachnida, and Pycnogonida), and in most Crustacea.

What animals have a cephalothorax?

Cephalothorax: The Animal Files. In some arthropods, the Cephalothorax is a section of the body that combines the head and the thorax. Arachnids and crustaceans have a Cephalothorax.

What is the cephalothorax of a crayfish?

The cephalothorax consists of the cephalic (or head) region and the thoracic region. The part of the exoskeleton that covers the cephalothorax is called the carapace. The abdomen is located behind the cephalothorax and consists of six clearly divided segments. The cephalothorax consists of 3 segments.

Is cephalothorax found in earthworms?

Cephalothorax is present in arachnids. Option C is not correct. Option D Metathorax: Metathorax is the segment that bears the hindwings in most winged insects, though sometimes these may be reduced or modified as in flies, the metathorax is usually present in insects not in earthworm.

What appendages are attached to the cephalothorax?

Cephalothorax. The cephalothorax, also called prosoma, is composed of two primary surfaces: a dorsal carapace and a ventral sternum. Most external appendages on the spider are attached to the cephalothorax, including the eyes, chelicerae and other mouthparts, pedipalps and legs.

Where is the cephalothorax found?

The cephalothorax is the first of 2 body parts on a spider. It is a combination of the head and thorax, and on it are found the legs, eyes, pedipalps, chelicerae, and other mouthparts.

What are the Tagmata sections of an insect?

Insects first evolved 300 million years ago. Their body is divided into three tagmata: head, thorax, abdomen. Insects have 6 legs and usually 1 or 2 pairs of wings. Insects breath through tracheal tubes.

Do all crustaceans have a cephalothorax?

Crustaceans have three basic body regions: the head, thorax, and abdomen (although in many species the head and thorax have fused to form a cephalothorax). ... The appendages of most crustaceans are branched or biramous, with the exception of the first pair of antennae.

What is the function of cephalothorax in spiders?

The body of a spider is divided into two regions: the anterior cephalothorax (prosoma), which represents a fusion of the head and thoracic segments, and the abdomen (opisthosoma) (Fig. 22.1). The cephalothorax bears the chelicerae, pedipalps, eyes, and legs.

What has a cephalothorax and abdomen but no antennae?

Arachnids. Arachnids are a group of arthropods that include spiders and ticks. They have two body parts: the cephalothorax (head-middle) and the abdomen. ... Notice that arachnids do not have antennae, but you can see the mandibles on the spider pictured, you should have already colored the mandibles purple.

Is cephalothorax is found in prawn?

Cephalothorax: Cephalothorax is the broad, un-segmented and cylindrical anterior part. It is formed by the fusion of head and thorax. In fact, during the development of prawn, one pre-segmental region and first fourteen segments fuse to form cephalothorax.