Which continent or continents did the Homo ergaster occupy 1.6 million years ago?

Africa

Africa and Asia

Europe and Africa

Europe, Africa, and Asia

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid