Q: All dinosaurs (except those which led to birds) went extinct at the end of which period? Choices: - Tertiary - Jurassic - Paleogene - cretaceous A:
cretaceous

Q: What is the color of the powder of a mineral called? Choices: - dye - pigment - hue - streak A:
streak

Q: Birds have a relatively large heart and a rapid what? Choices: - lifespan - blink rate - digestive process - heart rate A:
heart rate

Q: Programmed cell death, which goes by what term, is important for removing damaged or unnecessary cells? Choices: - mytosis - synthesis - mutations - apoptosis A:
apoptosis