Ques: Q: The long mouth-tube that some insects use to suck up the nectar of the flower is called what? Choices: - stamen - prosthesis - pistil - proboscis A:
Ans: proboscis

Ques: Q: Atoms with the same atomic number but different mass numbers are called what? Choices: - tropes - organisms - reactions - isotopes A:
Ans: isotopes

Ques: Q: Smooth, cardiac, and skeletal are all types of what? Choices: - hormones - bone - teeth - muscle A:
Ans: muscle

Ques: Q: What are elements that generally do not conduct electricity? Choices: - copper - metal - iron - nonmetals A:
Ans:
nonmetals