Here's what I came up with:
1. Scavengers
2. Community
3. Parasitism
4. Competition
5. Food chain
6. Predator-prey
7. Dominant species
8. Population
9. Parasitism
10. Commensalism
11. Mutualism
12. Predator-prey
13. Decomposer
14. Scavengers
15. Mutualism
16. Dominant species
17. Predator- prey
Have you got the list of characteristics on you? If not, both contain cells with chloroplasts, which is used to carry out the photosynthesis. Hope this helps.
They are ectotherms.
hope it is helpful to you
