Ques: Q: What are all tissues external to the vascular cambium called? Choices: - nucleus - membranes - larvae - bark A:
Ans: bark

Ques: Q: What causes maple leaves to change their colors? Choices: - artificial preservatives - factor reactions - radiation reactions - chemical reactions A:
Ans: chemical reactions

Ques: Q: What types of blood cells are required for aerobic respiration? Choices: - white blood cells - grey blood cells - large blood cells - red blood cells A:
Ans: red blood cells

Ques: Q: What is the name for the term that describes deep ocean water rising the surface? Choices: - percolating - leaking - up-rising - upwelling A:
Ans:
upwelling