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 please select the best answer from the choices provided a b c d.

Its unlawful in the state of florida for any person to operate a motor vehicle unless each passenger of the vehicle under age of

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.

Adult wasps sting caterpillars and inject their eggs into the caterpillars. the larvae feed on the caterpillars, leading to the death of the caterpillars. what kind of a relationship exists between the wasps and the caterpillars? a. the adult wasps are parasites to the caterpillars. b. the caterpillars are parasites to the wasps. c. the adult wasps are commensals, and the caterpillars are hosts. d. the caterpillars are commensals, and the adult wasps are hosts.