Q: Pyramids of net production and biomass reflect what level of efficiency? Choices: - high - medium - extreme - low A:
low

Q: What theory says atoms of matter are in constant random motion? Choices: - the theory of relativity - modern residual theory - sound kinetic theory - modern kinetic theory A:
modern kinetic theory

Q: Q: What makes up most of biological tissues? Choices: - air - muscle - bone - water A:
A: water

Question: Q: How do bees communicate to tell other bees where food is located? Choices: - wing flapping - mating dance - high pitch noise - waggle dance A:
Answer: waggle dance

*Question*
Q: What is required for communication? Choices: - transmission and weight of signals - weight and reception of signals - lack and reception of signals - transmission and reception of signals A:
**Answer**
transmission and reception of signals

Q: What basic structures of the nervous system innervate the muscles of the respiratory system and are responsible for controlling and regulating pulmonary ventilation? Choices: - toxins - enzymes - ions - neurons A:
neurons