If jellyfish have a nervous system, then what has a nervous system? Answer choices: - Plaster - animals - fur seals - elephants - chickens - Rocks - Oxygen - Jellyfish
Jellyfish

If genetic traits are passed down to offspring through chromosomes, then how are genetic traits passed down to offspring? Answer choices: - Through mucus - Through chromosomes - Through bacteria - Plant reproduction - Through the environment - Through play - Males and females - deoxyribonucleic acid
Through chromosomes

If organisms rely on a relatively narrow range of acidity, then what relies on a relatively narrow range of acidity? Answer choices: - organisms - carbon - animals - hydrogen - density - trees - Most plants - barnacles
organisms