Q: Einstein developed a theory about how electromagnetic radiation can behave as both a wave and what else? Choices: - energy - bacteria - sound - particle A:
particle

Q: What is a symbiotic relationship in which both species benefit? Choices: - detrimental - parasitism - inorganic - mutualism A:
mutualism

Q: Q: What organism carries out only fermentation or anaerobic respiration? Choices: - metabolites - aerobicc enzymes - aldehydes - obligate anaerobes A:
A: obligate anaerobes

Question: Q: What is a measurement of the amount of variation of the species in a given area called? Choices: - ecosystem - population - degradation - biodiversity A:
Answer: biodiversity

*Question*
Q: Bone tissues include compact bone, spongy bone, bone marrow, and? Choices: - cartilage - esophagus - epithelium - periosteum A:
**Answer**
periosteum

*Question*
Q: What property allows cut logs to float on water? Choices: - polarity - heat - precipitation - density A:
**Answer**
density