Q: What kind of reproduction results in offspring that are genetically unique? Choices: - budding - fragmentation - asexual reproduction - sexual reproduction A:
sexual reproduction

Q: When matter changes into an entirely different substance with different chemical properties, what has occurred? Choices: - mechanical change - gaseous change - physical change - chemical change A:
chemical change

Q: Q: What kind of reproduction, in general, relies on sets of cells that are precursors for eggs and sperm? Choices: - binary fission - fusion - asexual - sexual A:
A: sexual

Question: Q: Many glasses eventually crystallize, rendering them brittle and this? Choices: - powdered - soft - molten - opaque A:
Answer: opaque

*Question*
Q: Around 1200 species of what broad animal group are currently at risk of extinction due to human activity? Choices: - mammals - reptiles - amphibians - birds A:
**Answer**
birds

Q: What is heard when sound waves bounce back from a surface that they can't pass through? Choices: - radio - ultrasound - loop - echo A:
echo