b. trees provide everything in a rain forest ecosystem.
Answer:
Photosynthesis.
Explanation:
Photosynthesis is the process by which photosynthetic organisms such as plants and algae turn inorganic carbon compounds (usually carbon dioxide) into organic carbon compounds (usually carbohydrate sugars such as glucose). It causes carbon to move from one reservoir to another; examples are photosynthesis, respiration and combustion.
Answer:
directional selection, is a mode of negative natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.
Answer:
C algal booms
Explanation:
Algal booms are harmful to the enviorment
63 is your answer hope this helps