Q: You are presented with the question "Bacterial infection can inhibit ejaculation of what?" and the following answer choices: - babies - sperm - sugar - animals - erection - eggs - humans - pregnancy Now knowing that ejaculation occurs when muscle contractions propel sperm from the epididymes and bacteria usually cause epididymitis, choose the best answer.
A: sperm

Q: You are presented with the question "some what lack respiratory systems?" and the following answer choices: - Smoking - respiratory systems - deuterostomes - cigarettes - alpacas - hawks - barnacles - pigs Now knowing that echinoderms lack respiratory and excretory systems and all echinoderms are deuterostomes , choose the best answer.
A: deuterostomes

Q: You are presented with the question "What shares a food source with fish?" and the following answer choices: - Energy - Energy. - animals - Chemical energy - phytoplankton - rocks - sea turtles - the Sun Now knowing 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, choose the best answer.
A: sea turtles

Q: You are presented with the question "What do earthworms do?" and the following answer choices: - Start fires - reproduce - Destroy earth - Move to another area - Converting waste. - Create earth - competing for resources - Help plants grow Now knowing that earthworms are important deposit feeders that help form and enrich soil and good soil grows good plants, choose the best answer.
A: Help plants grow