Q: You are presented with the quiz "Bacterial infection can inhibit ejaculation of what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "ejaculation occurs when muscle contractions propel sperm from the epididymes" and "bacteria usually cause epididymitis". So, what's the best answer to the question? | OPTIONS:
- babies
- sperm
- sugar
- animals
- erection
- eggs
- humans
- pregnancy
A: sperm

Q: You are presented with the quiz "some what lack respiratory systems?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "echinoderms lack respiratory and excretory systems" and "all echinoderms are deuterostomes ". So, what's the best answer to the question? | OPTIONS:
- Smoking
- respiratory systems
- deuterostomes
- cigarettes
- alpacas
- hawks
- barnacles
- pigs
A: deuterostomes

Q: You are presented with the quiz "What shares a food source with fish?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sponges are a source of food for many species of fish" and "all sea turtle eat marine animals such as sponges, marine worms and molluscs". So, what's the best answer to the question? | OPTIONS:
- Energy
- Energy.
- animals
- Chemical energy
- phytoplankton
- rocks
- sea turtles
- the Sun
A: sea turtles

Q: You are presented with the quiz "What do earthworms do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "earthworms are important deposit feeders that help form and enrich soil" and "good soil grows good plants". So, what's the best answer to the question? | OPTIONS:
- Start fires
- reproduce
- Destroy earth
- Move to another area
- Converting waste.
- Create earth
- competing for resources
- Help plants grow
A: Help plants grow