Choose the item that best matches each item in the following:
-Can protect crops from some insect pest-related losses when applied periodically

Question

Quizplus · Accepted Answer

Bacillus thuringiensis is a common natural insecticide that can be applied to crops periodically to protect them from certain insect pests.

Note: 
Roundup is a herbicide used to kill weeds, and has no effect on insects. 
Earthworms do not protect crops from insect pests, but can improve soil health. 
Bees are important pollinators but do not protect crops from insect pests. 
Pseudomonas syringae is a bacterium that can cause disease in some crops, and has no protective effect against insect pests. 
Cactoblastis cactorum is a moth used as a biological control agent against invasive cactus species, but has no protective effect against insect pests in crops.

Choose the Item That Best Matches Each Item in the Following