*Question*
If competition may cause animals to fight towards members of a property of genus, then competition may cause animals to fight towards members in the same what? Answer choices: - bloodline - existence - biome - planet - clams - Mammal - abalone - genus
**Answer**
genus

*Question*
If cell phones are used for communication by two people by transmitting sound, then what are used for two people for communication with sound? Answer choices: - cell phones - messengers - energy - megaphones - A Greek letter - flashlights - gramophones - electricity
**Answer**
cell phones

*Question*
If genetic variation can be reduced when a population suddenly gets much smaller, then what can be reduced when a population suddenly gets much smaller? Answer choices: - Pollution - The size of the Earth - Greenhouse gasses - The size of bottlenecks - The size of the environment - Genetic variation - Plant growth is reduced - Quality of life
**Answer**
Genetic variation

*Question*
If fire causes thermal expansion, then what causes thermal expansion? Answer choices: - fear - cold - coal - energy - Sun - fire - ice - wind
**Answer**
fire