Scientists believe that ancient bacteria represents the first evidence of life on Earth. Which of these best describes the process by which bacteria was created? (1 point)
Group of answer choices

decomposition of fungi

reactions in ancient plants

transformation of virus like molecules

reproduction in single celled organisms

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