Explain simply why (B) is the correct answer to: What has a nervous system?
Options:
- (A) Nerve tonic
- (B) Jellyfish
- (C) Air
- (D) fur seals
- (E) Cardiovascular system
- (F) animals
- (G) chickens
- (H) elephants. Explanation:
Most invertebrates have a nervous system. Jellyfish and insects are invertebrates. Jellyfish have a nervous system.