I want to know what the boundaries of continents are.

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

Hurry on the map above, arrow 1 points to a region where most people are

Irelanda. populationb. square mileagec. average population density per square mile