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Crustaceans are the only group of arthropods that possess gills because they are primarily adapted to an aquatic environment where gas exchange occurs in water. Their gills are specialized structures that efficiently extract oxygen from water, a necessity for their survival in such habitats. Other arthropod groups, like insects and arachnids, have adapted to terrestrial environments where tracheal systems or book lungs are more effective for breathing air. This divergence in respiratory adaptations reflects their evolutionary history and ecological niches.
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What type of arthropods is a woodlouse?
Woodlice are crustaceans, like crabs and lobsters. They have gills like them, not lungs, so they only live in damp places!
What invertebrate group does a crab belong to?
Crab classification: Phylum - Arthropoda Subphylum - Crustacea Class - Malacostraca Order - Decapoda
How many antennas does a crustacean have?
Crustaceans are the only arthropods with two pairs of antennae
What makes crustaceans different from all other arthropods?
Arachnids differ from other arthropods in that they have no antenna (nor wings, like many insects). They also use book lungs to breathe, rather than the gills or spiracle/trachea configuration. They have a body plan of only two sections (tagmata) and eight legs, although often with a modified forward pair different from most other arthropods.
Are lobsters and crabs actual insects?
Crabs and lobsters are arthropods. In colloquial speech the term "bug" generally refers to arthropods on land, mostly insects and arachnids. In scientific terms the only true bugs are insects in the order hemiptera, excluding crustaceans, which are not insects.
Which phylum includes insects and crustaceans A porifera B mollusca C anthropoda or D coelenterate?
The phylum that includes insects and crustaceans is C) Arthropoda. This diverse group is characterized by jointed limbs and an exoskeleton made of chitin. Arthropods are the largest phylum in the animal kingdom, encompassing not only insects and crustaceans but also arachnids and myriapods.
Crustaceans are the only arthropods that have?
Crustaceans have exoskeletons, two pairs of antennae, two pairs of maxillae, biramous legs, and mandibles, which are like jaws.
Why are crustaceans unique?
Crustaceans are unique because they are protected by a hard exoskeleton. They are the only arthropods with two pairs of antennae. They also have two pairs of maxillae, mandibles, which are like jaws, and have biramous legs, which means they bend in two places.
Are arthropods parasites?
No. Leeches are annelids, also known as segmented worms.
Are there any invertebrates that aren't arthropods?
Arthropods are only one group of invertebrate animals. There are many other invertebrates in the world. Some examples would include single-celled animals, worms, jellyfish, gastropods like slugs and snails, and echinoderms like starfish and sand dollars. Most animals in the world are, however, in the arthropod category. WikiAnswers
Do hagfish and lampreys have lungs or gills?
Hagfish and lampreys have gills. They are the only living members of a primitive group of fish without jaws. They have round sucker-like mouths.
Can you Tell you facts about arachnids?
Arachnid is a biological category that includes spiders, mites and ticks. Arachnids belong to the larger group of arthropods, which includes insects and crustaceans. All arthropods are distinguished by what is known as a chitinous exoskeleton, which means that they have a hard outer shell made of a protein called chitin, which is what supports the shape of their bodies, unlike mammals such as us, who have internal skeletons. Arachnids have eight legs, unlike insects who have only six.
