Greg and Frank were two friends that studied natural sciences. One day, Greg decided to start reading about natural selection. His friend Frank decided to read more about populations that displayed natural selection more sparingly. They both learned lots of new interesting facts. Which friend studied more about the natural development of species?
Ans: Greg

Robert was watching the local news when he saw a report about a wildfire. The report stated that there was a brush fire in the southwest part of Texas, where it was currently daytime. When he switched the channel, he saw another report about a different wildfire. This one was a forest fire in the northwest part of Seattle, where it was currently nighttime. Which area, Texas or Seattle, will have higher temperatures at the time of the fire?
Ans: Texas

Deep lake presents geothermal activity, while Shallow lake has mixing of saline water with fresh water. Deep lake had more instances of divers having problems because of thermoclines. Which lake was less dangerous to divers?
Ans: Shallow

Microbiologist John is studying the anaerobic organism. He collected two samples of this organism, sample A and sample B. Sample A is an anaerobic organism, and sample B is specifically identified as the Clostridium perfringens obligate anaerobe. To compare these samples to other organisms he collected another microbe that is not an anaerobic organism. He labeled it as sample C. Which sample would need oxygen for growth, sample A or sample C?
Ans: sample C