Arthropods are segmented animals with jointed legs and an exoskeleton.
morphology for plants
Internal means inside e.g. organs. External means outside e.g. features, lips, skin etc.
It is Insecta.The largest group of arthropods are aquatic, so things like shrimp, lobster, (and the most popular) Crab.Crab is the largest group in the arthropods.
Example of external injuries
A person who studies arthropods. Arthropods are animals that have exoskeletons:Crustaceans- ex: Lobsters, Crayfish, Crabs, Shrimp, etc.Arachnids: Spiders, Ticks, Mites, Scorpions, etc.Insects: Well, I think you already know plenty of insects...
External fertilization and development
arthropods usually have external fertilization
No, worms are not arthropods because they do not have a shell. All arthropods have an external shell or an exoskeleton which is used to define them or classify them.
Arthropods reproduce sexually . Fertilization is mostly internal but in some species it is indirect . In most arthropods fertilization is direct . Most arthropods are oviparous i.e. they lay eggs . Metamorphosis takes place .
No, they are invertebraes. All arthropods, bees included, have an external skeleton.
external sexual
Chitin
Arthropods are defined to be invertebrates that have an exoskeleton ( an external skeleton).
It's called an exoskeleton, exo being outside.
Arthropods belong to the insect kingdom, because they have 6 legs, and all of their other features are like any other insects features.
Arthropod comes from the Greek meaning "jointed feet", which is what arthropods have, as well as an external skeleton, which they shed when growing.
Arthropods is an exoskeletons, their components are external. This supports and protects the aminals inner body. No internal backbone