Question

what kind of fish are lampreys and hagfish?
select one:
a. annelida
b. agnatha
c. arthropoda

what part or parts of the jellyfish has/have stinging cells?
select one:
a. the bell and the tentacles
b. the bell
c. the tentacles

Explanation:

1. For the first question: Annelida are segmented worms, Arthropoda are invertebrates with exoskeletons, while Agnatha is the class of jawless fish that includes lampreys and hagfish.
2. For the second question: Jellyfish have specialized stinging cells called cnidocytes, which are primarily located on their tentacles to capture prey; the bell (body) does not have these stinging cells.

Answer:

1. b. Agnatha
2. c. The tentacles