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On the biological ruler, arthropods tend towards the small end of the spectrum, owing to physical limits imposed by their methods for respiration, gas exchange and circulatory system; a high surface area to volume ratio serves them quite well on these counts.
The smallest arthropods known are a crustacean parasite, Stygotantulus stocki, around a hundred micrometers long (about 4 thousandths of an inch).
If by 'categories' you mean subphylums and classes, then the major ones are:
Phylum Arthropoda
---Subphylum Chelicerata
-Class Arachnida (Spiders, sea spiders, horseshoe crabs, scorpions ticks/mites)
---Subphylum Crustacea (crabs, lobsters, shrimps, barnacles, etc.)
---Subphylum Myriapoda
-Class Chilpoda (centipedes)
-Class Diplopoda (millipedes)
---Subphylum Hexapoda
-Class Insecta (Insects and their wingless, six-legged relatives)
Reminder: The subphylums (with their respected classes) listed above are the four major lineages of the Arthropods
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What do arthropods eat.?
they eat small worms and fish
What do Red Backed Salamanders eat?
Red-backed Salamanders eat small arthropods, including insects and Spiders
Is locust a parasite?
Locust are mainly Arthropods that means these are small invertebrates with jointed legs. In Latin Arthropods means jointed legs.
Where do arthorpods get their oxygen?
Arthropods have trachea through which air can circulate. Arthropods have very small openings in their body through which oxygen enters and is distributed throughout their system.
What does a kowari eat?
The kowari is a small, carnivorous marsupials that feeds on invertebrates and arthropods.
How many bones does a small but fragile butterfly have?
Butterflies are arthropods, and so do not have bones; they have an exoskeleton.
What type of arthropods eat fish and small worms?
salmon and hook worms
Why are arthropods called arthropods?
They express the characteristics inherent to arthropods. All insects are arthropods. Not all arthropods are insects.
Are mammals part of the arthropods?
NO Mammals are not arthropods. Arthropods are insects.
What should I feed the gecko I caught in Florida?
From the wild, most geckos will feed on a diet of insects, arthropods, small mammals, small birds and other small reptiles.
Is a centipede a minibeast?
Yes, a centipede is considered a minibeast. Minibeasts are small invertebrates such as insects, spiders, and other small arthropods, which includes centipedes.
Are Arthropods eukaryotes or prokaryotes?
arthropods are eukaryotic because arthropods are animals.
