Ques: Q: A biofilm is a colony of prokaryotes that is stuck to what? Choices: - the middle - the bottom - skin - surface A:
Ans: surface

Ques: Q: In which way do vertebrates reproduce? Choices: - bisexually - unisexually - asexually - sexually A:
Ans: sexually

Ques: Q: In the past, biologists grouped living organisms into five kingdoms: animals, plants, fungi, protists, and what? Choices: - trees - pathogens - lizards - bacteria A:
Ans: bacteria

Ques: Q: The mass lost in mass defect has gone into energy called what? Choices: - momentum - enthalpy - kinetic energy - binding energy A:
Ans:
binding energy