Q: What is the term for evolution over geologic time above the level of the species? Choices: - mutation - speciation - microevolution - macroevolution A:
macroevolution

Q: Which type of electrons plays the most important role in chemical reactions? Choices: - noncovalent - intermediate - transition - valence A:
valence

Q: Q: Groupings of related organs in the human body are referred to as "organ" what? Choices: - conditions - bodies - functions - systems A:
A: systems

Question: Q: What is the name of the period of transition between the beginning of puberty and adulthood? Choices: - maturation - aging - childhood - adolescence A:
Answer: adolescence

*Question*
Q: How many years ago may the earliest fungi have evolved? Choices: - .350 million - 500 million - .250 million - 600 million A:
**Answer**
600 million

Q: Q: Sporangia produce spores that develop into tiny, heart-shaped what? Choices: - cells - tubules - filaments - gametophytes A:
A: gametophytes