Question
A groups of mountain gorilla has 10 members. how big is the group after 4 females emigrate, 2 females immigrate, 2 gorillas are born, and a male dies?
A. 7
B. 13
C. 9
D. 1
A. 7
B. 13
C. 9
D. 1
Answers
GPT-4o mini
Let's break down the changes to the group step by step:
1. **Original group size:** 10 members
2. **Females emigrate:** -4 members (10 - 4 = 6)
3. **Females immigrate:** +2 members (6 + 2 = 8)
4. **Gorillas born:** +2 members (8 + 2 = 10)
5. **Male dies:** -1 member (10 - 1 = 9)
After all these changes, the final size of the group is 9 members.
Therefore, the answer is **C. 9**.
1. **Original group size:** 10 members
2. **Females emigrate:** -4 members (10 - 4 = 6)
3. **Females immigrate:** +2 members (6 + 2 = 8)
4. **Gorillas born:** +2 members (8 + 2 = 10)
5. **Male dies:** -1 member (10 - 1 = 9)
After all these changes, the final size of the group is 9 members.
Therefore, the answer is **C. 9**.