Compound Eyes
Ommatidia
Arthropods have armor or shells and big eyes take the dragonfly or scorpion for example
no they don't
The Insecta class of arthropods may have wings. Insects are the only arthropods (and the only invertebrate) to have flight capability; but not all insects have wings.
they have a closed 2-pump system much like our but obviously with only one pump
the legs , but mainly the eyes , the arachnids can have up to a 360 eyes and can jump
No, they only have an exoskeleton.
All insects present an exoskeleton, so all insects are arthropods.
The compound eye with many little eyes making up one image in the brain. Note that next to the two main compound eyes there may also be little separate eyes, or ocelli - three is a common number for those, sitting in between the two large eyes.
Arthropods which possess 8 legs belong to sub phylum Arachnida . They include spiders , scorpions and mites .
Barnacles are crustaceans( a type of arthropods)
Woodlice are crustaceans, like crabs and lobsters. They have gills like them, not lungs, so they only live in damp places!