The first box is migration
The second box is the northern regions have become warmer because of climate change
From smallest to largest. That will be
Cell; cheek cell
Tissue; hydra
Organ; heart
System; digestive system
Organism; lion
Tissue is a group of cells, an organ is a group of tissues, a system is a group of organs, an organism is a group of systems
Hope that helped. Have a nice day
Answer: 1. founder effect
2. evolution
3. natural selection
4. species
5. geographically isolated
Explanation: Good luck! :D
