An algal bloom affects the whole ecosystem. Consequences range from the benign feeding of higher trophic levels, to more harmful effects like blocking sunlight from reaching other organisms, causing a depletion of oxygen levels in the water, and, depending on the organism, secreting toxins into the water.
-binds to DNA during transcription and separates the DNA strands
-then uses one strand of DNA as a template from which to assemble nucleotides into a complementary strand of RNA. Hope this helped. ;)
Answer:
D, Gene flow had been reduced between flies that feed on different food.
Explanation: