Q: The smallest units of matter that retain the unique properties of an element are known as what? Choices: - protons - molecules - neutrons - atoms A:
atoms

Q: What increases the size of a population's gene pool? Choices: - mass extinction - microbes - natural selection - mutations A:
mutations

Q: Q: Continental drift also promotes what speciation? Choices: - obligate - mutualistic - macroevolution - allopatric A:
A: allopatric

Question: Q: Centrifuges use what to perform their task? Choices: - absorption - jets - magnetism - inertia A:
Answer: inertia

*Question*
Q: What group of animals are the largest arthropods? Choices: - birds - fish - spiders - insects A:
**Answer**
insects

(Question)
Q: What happens when antibodies are transferred to a person who has never been exposed to the pathogen? Choices: - acquired immunity - active disease - allergic reaction - passive immunity A:
(Answer)
passive immunity