I believe it is the nucleus.
Answer:
1. Down Syndrome - Caused by an extra copy of chromosome 21
2. Klinefelter Syndrome - Boys with extra x chromosome(s)
3. Turner Syndrome - Girls lacking a second x chromosome
The producers that it eats will increase in population. The secondary consumers will decrease the most in population because they eat the primary consumers. The tertiary consumers will also decrease because they eat secondary and primary consumers.
