Q: What are the earliest and simplest vertebrates? Choices: - whales - birds - bears - fish A:
fish

Q: What kind of rock's makeup is changed by heat and or pressure? Choices: - tectonic - basaltic - igneous - metamorphic A:
metamorphic

Q: Q: What is occurring at an alarming rate as a result of global climate change and the constant melting point of ice? Choices: - glacial movement - glacial hardening - glacial formation - glacier melt A:
A: glacier melt

Question: Q: What compounds contain only carbon and hydrogen? Choices: - carbonates - particles - molecules - hydrocarbons A:
Answer: hydrocarbons

*Question*
Q: What is usually necessary to develop cancer? Choices: - crucial genes mutations - massive genes mutations - novel genes mutations - multiple genes mutations A:
**Answer**
multiple genes mutations

Q: Q: What is the use of technology to change the genetic makeup of living things for human purposes? Choices: - biological utility - biological engineering - genetic employing - genetic engineering A:
A: genetic engineering