An arthropod
Nope - it's a member of the Jellyfish family, not an arthropod.
Barnacles
although an octopus has eight arms or tantacles
An arthropod's main features are the segmented body, an exoskeleton made from chitin, and joint appendages.
arthropod e.g. flies, crickets, mosquitoes, beetles, butterflies, and bees.
A basitarsus is the basal segment of an arthropod tarsus - any of the arthropod's articulations in its foot.
An organism's niche is the function of the given organism. :) Hope this helps!
Arthropod is any creature that has an exoskeleton. Arachnid refines that classification to include only Spiders.
Insects
An arthropod
dust mite
Well, a niche is a parasitic egg layed by any type of parasite.
Vectors of the arthropod.
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As the arthropod grows up, the exoskeleton sheds in order for the arthropod to grow inside of it.
A crab is an arthropod.