Q: The eyes of all vertebrates possess a single one of these structures? Choices: - vessel - sty - stalk - lens A:
lens

Q: Metallic solids are composed entirely of which atoms? Choices: - metals - organic - toxic - metallic A:
metallic

Q: Q: A sperm cell and an egg cell fuse to become what? Choices: - embryo - fetus - unfertilized egg - fertilized egg A:
A: fertilized egg

Question: Q: The bone matrix consists of tough protein fibersmainly what? Choices: - tissues - hemoglobin - tendons - collagen A:
Answer: collagen

*Question*
Q: Organs, vessels, and lymph make up what system? Choices: - digestive - circulatory - nervous - lymphatic A:
**Answer**
lymphatic

Q: What does the triploid cell develop into during fertilization? Choices: - membrane - tubers - zygote - endosperm A:
endosperm