Rank the following people in regards to the percentage of water in their body composition (assume that they are all healthy individuals) in a vertical list from lowest (at the top) to greatest (at the bottom).
1. a 45 year old male
2. a 23 year old female
3. an 85 year old male
4. a 6 month old female

Which of these is the most likely consequence of falling petroleum price

Which level of consumer had access to the smallest apply of energy

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.