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The crustacean is the name of any of various predominantly aquatic arthropods of the class Crustacea, including lobsters, crabs, shrimps, and barnacles. They have a segmented body, formed of a head, a thorax and an abdomen called (pleon). a chitinous exoskeleton, and paired, jointed limbs. The crustaceans are also distinguished by having two pairs of antenna-like appendages in front of the mouth and other paired appendages near the mouth that act like jaws.
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∙ 14y ago
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∙ 8y agoCrabs and crayfish are crustaceans, a subdivision of arthropods - the large group of animals without backbones (invertebrates) that includes insects, Spiders, mites, scorpions and springtails. Arthropods have jointed legs and a hard outer shell that acts as a skeleton.
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∙ 14y agoCrustaceans have two antennae, two maxillae, a pair of mandibles, and biramous legs. They have an exoskeleton. They breathe using gills, and their thorax is protected by a special plate of exoskeleton called a carapace.
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∙ 13y agoTwo pairs on antennae on the front of the body
Two distinct body regions (cephalothorax and abdomen)
Two or more pairs of appendages
Most often, gills for breathing
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∙ 12y agoVery thick shell
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∙ 6y agoThey have hard shells on their outside.
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∙ 11y agoThey have shells like crab
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What are two common characteristics of crustaceans?
I'm not sure if you mean their common characteristics, or characteristics that they have in common. Some common characteristics are that they have exoskeletons and they are segmented. However, they also have some characteristics that they have in common, and some which no other animals have. One of these characteristics is that they possess biramous appendages, which means legs and other appendages which are forked into two pieces, although some crustaceans lose the minor piece of some legs as they mature. The seoncd thing they all have in common is that all of them first pass through a nauplius larval stage.
What characteristics are shared by most or all crustaceans?
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Do some alien races have animal characteristics?
Yes. Some alien races have animal characteristics (i.e. mammals, reptiles, amphibians, insects, arachnids, gastropods, reptomammals, reptavians, crustaceans, avians, mammavians, etc.).
What are some characteristics that determined by DNA What are some characteristics that are influenced by the ecosystem?
A characteristic is like when a flamingo eats shrimp and crustaceans, it gets it's pinkish color from eating them. It doesn't come from DNA.
What are the 4 major groups of arthropods and what are their characteristics?
The 4 major groups of arthropods are crustaceans. arachnids, centipedes and millipedes, and insects. Arthropods are invertebrates that have an external skeleton, a segmented body, and jointed attachments called appendages.
Is crustaceans a herbivore?
Crustaceans are omnivores.
Is crustaceans an omnivore?
Some crustaceans are omnivores.
Are Crabs reptiles?
no they are crustaceans
Classification of shellfish?
Shellfish can be classified into two main categories: crustaceans and mollusks. Crustaceans include shrimp, crab, and lobster, while mollusks include clams, mussels, oysters, and scallops. These classifications are based on the anatomical features and characteristics of the different species.
What food do crustaceans consume?
&nbs food for crustaceans
Do crustaceans have hearts?
Yes, all crustaceans have hearts.
Are scuds crustaceans?
Scuds (sideswimmers) are crustaceans
