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
Answer:
Option B, C, D and E
Explanation:
While conducting research on human being, following conditions must be fulfilled
a) The subject must be made aware of the risk and result of the study
b) Subject must be aware of the study objective, time duration and post study impacts
c) Subject must be compensated for any injury caused during the study
d) Informed consent must be taken from the subject
e) The subject must beware of the possible uncontrollable scenarios. Also the test conducted must be testifiable on human being
f) The ill effects of the study can be anticipated if the result obtained are worthy enough
Considering the above facts, option B , C, D and E are unavoidable
He thought that they were moons
but it was actually the rings of the planet
