Question

While hiking in Costa Rica, Bert discovers a new species of arthropod. Which characteristics should he look at to determine in which group it belongs?

Answer 1

Answer:

Characteristics outlined below

Explanation:

Anthropods, though they generally possess exoskeleton, segmented bodies and joint appendages, are divided into four (4) groups:

• Tracheata (breath through channels in their bodies. E.g. insects)
• Chelicerata (More than four legs, one pir of chelicerae i.e. claw or pincer. E.g. Scorpions and spiders)
• Crustaceans (Have a large rigid exoskeletal, without a circulatory system. E.g. Shrimps, crabs)
• Trilobite (extinct three-headed/lobed marine species)