Q: Species that have diverged from their common ancestors have greater differences in what? Choices: - life span - cell structure - immunology - dna sequence A:
dna sequence

Q: What's the name for a cluster of genes, where one promoter serves adjacent genes? Choices: - nucleus - proton - plasma - opteron A:
opteron

Q: Q: Niche and habitat are concepts related to what broader term? Choices: - population - biome - community - ecosystem A:
A: ecosystem

Question: Q: Nuclei with even numbers of protons, neutrons, or both are more likely to be this? Choices: - ionic - solid - unstable - stable A:
Answer: stable

*Question*
Q: What is a common condition caused by stomach acid? Choices: - arthritis - headache - sunburn - heartburn A:
**Answer**
heartburn

Q: Q: Boyle's law applies to matter which is in what state? Choices: - liquids - plasma - solids - gas A:
A: gas