Select the correct answer. Some crops in Mathew's field were destroyed by some insects. To avoid future destruction of his crops, he decided to release sterile male insects
in his field. Which pest control technique did he use?
OA
chemical pest control
ОВ.
cultural pest control
OC. genetic pest control
OD. biological pest control

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel