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Two 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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15y ago

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Are octopuses a crustaceans?

No, octopuses are not crustaceans; they belong to a different class of marine animals called cephalopods, which also includes squids and cuttlefish. Crustaceans, such as crabs and lobsters, are part of the class Malacostraca within the phylum Arthropoda. Octopuses have distinct characteristics, such as a soft body, a beak-like mouth, and tentacles lined with suckers, which differentiate them from crustaceans.


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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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.


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 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.


Are Crabs reptiles?

no they are crustaceans


Is crustaceans an omnivore?

Some crustaceans are omnivores.


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 are the four main features of crustaceans body?

Crustaceans typically exhibit four main features: a hard exoskeleton made of chitin that provides protection and support, a segmented body divided into the cephalothorax and abdomen, jointed appendages that facilitate movement and manipulation of objects, and compound eyes that enhance their ability to detect movement and perceive their environment. These characteristics enable crustaceans to thrive in diverse aquatic and terrestrial habitats.


characteristics of crustacea?

Crustaceans have evolved a variety of specialized body forms and behaviors to cope with both aquatic and terrestrial environments, however, all crustaceans share several characteristics: a hard exoskeleton; jointed, paired appendages; and three body regions (head, thorax, and abdomen).