Q: Q: How many calories of energy does one gram of sugar or starch provide? Choices: - 5 - 3 - 10 - 4 A:
A: 4

Q: Q: In aquatic communities, the main producers are photosynthetic protists and what? Choices: - arthropods - eukaryotes - crustaceans - prokaryotes A:
A: prokaryotes

Q: Q: E. coli uses how many enzymes to take up and metabolize lactose? Choices: - 4 - 11 - 2 - 3 A:
A: 3

Q: Q: What is the change in a species over time? Choices: - variation - phenomenon - transformation - evolution A:
A: evolution