Q: Plant cells have cell walls that are made of what? Choices: - carbonate - nucleus - tissue - cellulose A:
cellulose

Q: What is the highest taxon in the classification of living things? Choices: - a phylum - a class - a family - a domain A:
a domain

Q: Q: The rate of decay of carbon-14 does what over time? Choices: - becomes unstable - increases - decreases - remains stable A:
A: remains stable

Question: Q: Acne results from a blockage of sebaceous glands by what? Choices: - mucous - progesterone - fat - sebum A:
Answer: sebum

*Question*
Q: What organ eliminates solid wastes that remain after the digestion of food? Choices: - the spleen - the appendix - the bladder - the large intestine A:
**Answer**
the large intestine

Q: Q: The female reproductive organs include the ovaries, fallopian tubes, uterus, and what? Choices: - intestines - womb - bladder - vagina A:
A: vagina