Animals of which phylum have jointed legs?

Arthropoda

The correct answer is Option (1) – Arthropoda

Animals of the phylum Arthropoda have jointed legs.

Explanation:

• Arthropods, including insects, arachnids (spiders), crustaceans (crabs, lobsters), and myriapods (centipedes, millipedes), belong to the phylum Arthropoda.
• The characteristic feature of arthropods is the presence of jointed legs, which are segmented and allow for a wide range of movement.