(Question)
Fact 1: Biomass is the total mass of organisms at a trophic level. Fact 2: Trophic level refers to the organisms position in the food chain. Given the two facts above, answer the question "what is biomass the total mass of?" with the following options: - remains of prehistoric life - nutrients - dead weight - organisms on the food chain - Microscopic organisms - h2o - sub-units of species - The number of individuals
(Answer)
organisms on the food chain

(Question)
Fact 1: Ejaculation occurs when muscle contractions propel sperm from the epididymes. Fact 2: Male gametes are called sperm. Given the two facts above, answer the question "What occurs when muscles contract and propel male gametes?" with the following options: - fertilization - sex - ejaculation - electrically - rapid expansion - motion - competition - intercourse
(Answer)
ejaculation

(Question)
Fact 1: An image in a mirror is formed by reflecting light. Fact 2: Water is essentially a perfect mirror, reflecting colors almost unchanged. Given the two facts above, answer the question "What forms an image in water?" with the following options: - dolphins - tiny polyps - dark matter - an object - reflecting light - individual molecules - holograms - jungles of the sea
(Answer)
reflecting light