there is no group of arthropad has no antenna
no
Not all animals with antennae are arthropods, although antennae are a characteristic feature of this group. Antennae are sensory structures found in various animal phyla, including some mollusks and certain annelids. However, the presence of antennae is most commonly associated with arthropods, such as insects, crustaceans, and arachnids. Thus, while many animals with antennae are indeed arthropods, they are not exclusively so.
Antennae on some organisms can smell as well as feel.
To smell
Spiders do not have antennae. Antennae are sensory organs found on insects and some other arthropods, but not on spiders.
Arthropods use their antennae to touch and smell, and they use chemoreceptors, located on various parts of their bodies including the antennae, to taste.
The legs and antennae. (:
antennae
The word "antennae" is a noun. It refers to the sensory appendages on the heads of insects, crustaceans, and some other arthropods.
Correct, arachnids have no wings or antennae. However, some have forward limbs or appendages with sensory functions which might be said to act like antennae.
Crustaceans are the only arthropods with two pairs of antennae
A crustacean is an arthropod that has two or three body sections, five or more pairs of legs, and two pairs of antennae. Arachnids are arthropods with two body sections, four pairs of legs, and no antennae. Arachnids are arthropods with two body sections, four pairs of legs, and no antennae.