36. Which of the following is a characteristic of echinoderms?
a) They have a hard exoskeleton
b) They have a segmented body
c) They have jointed appendages
d) They can regenerate lost body parts
Answer: d) They can regenerate lost body parts
37. How do jellyfish reproduce?
a) By laying eggs
b) By live births
c) By budding
d) By pollination
Answer: a) By laying eggs
38. Which of the following is not a characteristic of flatworms?
a) They have a soft body
b) They have bilateral symmetry
c) They have stinging cells
d) They can regenerate lost body parts
Answer: c) They have stinging cells
39. What is the phylum of animals that includes roundworms?
a) Porifera
b) Mollusca
c) Nematoda
d) Echinodermata
Answer: c) Nematoda
40. How do cnidarians reproduce?
a) By laying eggs
b) By live births
c) By budding
d) By pollination
Answer: c) By budding
