Compare the following biocontrol agents: Agent X: Produces crystalline insecticidal proteins; genes have been incorporated into cotton and other crops Agent Y: Species-specific virus that attacks insects and arthropods; safe for non-target organisms Which
1. Agent X: Baculovirus; Agent Y: Bacillus thuringiensis
2. Agent X: Trichoderma; Agent Y: Baculovirus
3. Agent X: Cry protein; Agent Y: Nucleopolyhedrovirus
4. Agent X: Bacillus thuringiensis; Agent Y: Baculovirus