An ecosystem contains blue whales, sea otters, giant kelp, and various species of phytoplankton. what type of biodiversity is being described? 1. ecosystem diversity
2. species diversity
3. genetic diversity
4. trait diversity

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

Why are human population trends difficult to predict?

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?