Question
Give an example of biological weed control.
Give an example of biological weed control.
Cochineal insects are used to eradicate the weed called Opuntia.
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Define crop rotation.
What is botanical name of wheat?
________ is the maintenance of honey bee colonies, commonly in hives, by humans.
Name the reptile in which heart is four chambered.
What is the name of excretory structure of flatworms?
Name two diseases against which vaccines are available.
What may be the symptoms of a disease if brain is infected.