You have not given the concept map. But I think it might be this one. So, according to this concept map, the answer should be B. H2O and CO2
New species often form on new islands because they evolve to fill new niches
Answer:
The correct option is <em>C. A gene is a specific segment of DNA on a chromosome</em>
Explanation:
Option A is false because a gene is a segment on a chromosome.
Option B is false because a chromosome carries many genes.
Option D is false because a gene carries a segment of DNA, not all of the DNA.
Option C is correct because there are many genes present on a single chromosome. Each gene carries a segment of DNA. The position of a gene on the chromosome is known as its loci.
it involves negative feedback loop
Explanation:
the loop allows living organisms to maintain homeostasis