Fact 1: Afirecracker converts chemical energy into sound. Fact 2: Fireworks are illegal, including firecrackers. Given the two facts above, what converts chemical energy into sound?

OPTIONS:
- a firework
- sensory neurons
- Gunshots
- a bottle
- a battery
- animals
- a flashlight
- engines

Answer: a firework

Fact 1: Adult sponges produce eggs and sperm. Fact 2: Each ovule usually contains one egg , the female gamete or sex cell. Given the two facts above, adult sponges produce sperm and what other sex cell?

OPTIONS:
- testicles
- it needs them
- gastropod shells
- fertile
- testosterone
- zygotes
- female gametes
- barnacles

Answer: female gametes

Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: Because reptiles are vertebrates, they are chordates. Given the two facts above, what have complete digestive systems?

OPTIONS:
- a fish
- saliva
- mammals
- insects
- protist
- barnacles
- reptiles
- rabbit

Answer: reptiles

Fact 1: Communities consist of populations of different species. Fact 2: Animal is common to many species. Given the two facts above, communities consist of populations of different what?

OPTIONS:
- bushes
- plants
- weather
- bacteria
- insects
- clouds
- animals
- trees

Answer:
animals