Q: Q: Like all tetrapods except birds and mammals, frogs possess a heart with what structure? Choices: - One Chamber - four chambers - eight chambers - three chambers A:
A: three chambers

Q: Q: What are the structural and functional units of the kidney called? Choices: - Ions - caldrons - aeons - nephrons A:
A: nephrons

Q: Q: Under certain conditions, electric current causes what type of field? Choices: - light - kinetic - seismic - magnetic A:
A: magnetic

Q: Q: What type of numbers specify the arrangement of electrons in orbitals? Choices: - ionic numbers - fusion numbers - stream numbers - quantum numbers A:
A: quantum numbers