Answer:
express different genes
Explanation:
cells of a multicellular organism have the same genes with the same chromosomes
however their expression varies from cell to cell depending on their function
B . Excessive commercial fishing
Reason: the other options are good things this is the only bad thing
D. Organisms specialized for living in a particular niche.
Answer:
They are a major absorber of carbon dioxide.
Explanation:
Plants present deep under the seas and algae over the Oceans and under it absorb huge amount of CO2 from our atmosphere.
hope it helps!
