Q: Fact 1: Ejaculation occurs when muscle contractions propel sperm from the epididymes. Fact 2: Bacteria usually cause epididymitis. Given the two facts above, bacterial infection can inhibit ejaculation of what? | OPTIONS:
- babies
- sperm
- sugar
- animals
- erection
- eggs
- humans
- pregnancy
A: sperm

Q: Fact 1: Echinoderms lack respiratory and excretory systems. Fact 2: All echinoderms are deuterostomes . Given the two facts above, some what lack respiratory systems? | OPTIONS:
- Smoking
- respiratory systems
- deuterostomes
- cigarettes
- alpacas
- hawks
- barnacles
- pigs
A: deuterostomes

Q: Fact 1: Sponges are a source of food for many species of fish. Fact 2: All sea turtle eat marine animals such as sponges, marine worms and molluscs. Given the two facts above, what shares a food source with fish? | OPTIONS:
- Energy
- Energy.
- animals
- Chemical energy
- phytoplankton
- rocks
- sea turtles
- the Sun
A: sea turtles

Q: Fact 1: Earthworms are important deposit feeders that help form and enrich soil. Fact 2: Good soil grows good plants. Given the two facts above, what do earthworms do? | OPTIONS:
- Start fires
- reproduce
- Destroy earth
- Move to another area
- Converting waste.
- Create earth
- competing for resources
- Help plants grow
A: Help plants grow