EVERYDAY SCIENCE

Detailed explanation-1: -The legs or limbs of the spider are used for locomotion and also to catch the prey. The limbs of spiders have seven segments in their legs. The spider belongs to class arachnids which have 4 pairs of jointed legs.

Detailed explanation-2: -They also have 6 pairs of appendages: 4 pairs of legs and 2 pairs of mouthpart appendages, the first are called chelicerae (hence, the subphylum Chelicerata). The second pair of mouthpart appendages are called pedipalps. Most authorities recognize 11 orders within the arachnida.

Detailed explanation-3: -All arachnids have eight legs, and unlike insects, they don’t have antennae. The bodies of arachnids are divided into two sections, the cephalothorax in front and the abdomen behind. Sometimes times small arachnids like mites and harvestmen have the two sections fused close together so you can’t see the separation.

Detailed explanation-4: -Insects have six legs and two antennae, and their body is made up of three main regions: head, thorax, and abdomen.

Detailed explanation-5: -Arachnids are invertebrates and members of the phylum Arthropoda. They have four pairs of legs that are jointed and used for walking.