Q: What is essential for forming new genes? Choices: - enough mutations - enough chromosomes - chromosome deversity - large mutations A:
large mutations

Q: Neutron stars are the corpses of left over what? Choices: - planet explosions - gravitational explosions - stellar explosions - supernova explosions A:
supernova explosions

Q: What do you call materials that have high resistance to electric current? Choices: - conductors - semiconductors - destructive insulators - electric insulators A:
electric insulators

Q: Organisms that obtain food from outside themselves (i.e. they don't make their own food) are known as what? Choices: - autotrophs - zygotes - fungi - heterotrophs A:
heterotrophs