*Question*
Q: Many deleterious alleles have such severe effects that a homozygous embryo spontaneously aborts long before what? Choices: - baby - couple - LIfe - birth A:
**Answer**
birth

*Question*
Q: What organ provides the integrative power that underlies the complex behavior of vertebrates? Choices: - the skin - the liver - the heart - the brain A:
**Answer**
the brain

*Question*
Q: When land used for mining or other purposes is restored to its natural state, what do you call the process, which is often mandated by law? Choices: - removal - irrigation - urban renewal - reclamation A:
**Answer**
reclamation

*Question*
Q: What is a device that changes kinetic energy to electrical energy through electromagnetic induction? Choices: - a battery - a windmill - a diesel engine - an electric generator A:
**Answer**
an electric generator