*Question*
If blowing into a whistle causes sound, then what does blowing into a whistle do? Answer choices: - makes a sight - makes sound - causes disruption - duplicate itself - unidirectional - decrease stamina - makes hearing - to move people
**Answer**
makes sound

*Question*
If behaviors that improve traits that relate to an animal's ability to survive and reproduce increases through natural selection, then behaviors increase through what that improve traits of animal's ability to survive? Answer choices: - competition - hunting - biological diversity - the environment - eating - produce offspring - natural selection - grooming
**Answer**
natural selection

*Question*
If the egg implants itself in the uterus after sperm swim to an egg, then the egg implants itself in the uterus after sperm does what? Answer choices: - permineralization - release more eggs - rapid expansion - migrate - swim to the sea - reproduce - swim to an egg - drown in the uterus
**Answer**
swim to an egg

*Question*
If length is measured in inches, then what is measured in inches? Answer choices: - weight - mass - rainfall - centimeters - length - Newton - feet - size
**Answer**
length