Sort the following events from earliest (1) to most recent (5), in the sequence of evolution of life on earth.
- origin of mitochondria
- origin of multicellular eukaryotes
- origin of chloroplasts
- origin of cyanobacteria
- origin of fungal-plant symbioses

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing