12. Arthropods are considered to be segmented - their basic body plan, at least as embryos, consists of repeating units. Some of this feature remains visible on the outside. What parts of the crayfish body show signs of segmentation?

The walking legs, cheliped, thorax and abdomen

Explanation:

Crayfish belong to class of crustaceans of the phylum arthropoda. They are classified by having segmented body and jointed appendages.

Crayfish is divided into two body segments, the cephalothorax and abdomen. The cephalothorax contain the maxillipede for holding food during eating, cheliped is a large claws for defence, the walking legs is use for movement.

p

explanation:

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.