Question

Which statement is true about the effect of red tide or algal bloom on the ecosystem?
A)
produces toxins that can harm aquatic life
B)
decreases amount of oxygen for aquatic producers
C)
decreases aquatic food source for humans
D)
all of the above

Answer 1

This would be all of the above as it is harmful to aquatic life and harmful to human life all at the same time.

Answer 2

thx