IB myp 4-5 Biology – Practice Questions- All Topics
Topic :Interaction between organism-Speciation and Extinction
Topic :Interaction between organism– Weightage : 21 %
All Questions for Topic : Pathogens/Parasites,Preadator/Prey,Food chains and webs,Competition,Speciation and Extinction
Question:
What advice would you give about introduction of alien species, based on the data in this question?
▶️Answer/Explanation
Ans: Do not introduce alien species; unless their effects on native species have been rigorously investigated; and unless it can be shown that they will not become invasive; precautionary principle.
Question:
What will happen in a social group if there is initially no cheating, but then some individuals start to cheat and more and more follow their example until there is a high level of cheating?
▶️Answer/Explanation
Ans: Low levels of cheating can be tolerated by a social group/community; but beyond a certain level co– operation between members of the community will break down.
Question:
What can prevent cheating in a group of animals?
▶️Answer/Explanation
Ans: Identification of cheats; ostracization/punishment of cheats.