Question

Helllp me urgent

Question 20 of 20
Which of these is a biotic factor in an aquatic ecosystem?
A. Dissolved oxygen
B. Seaweed
C. Water
D. Temperature change

Answer 1

B

Step-by-step explanation:

Plants are biotic and seaweed is a plant

Answer 2

B. Seaweed, a biotic factor is a living organism that shapes its environment. seaweed is the only living option! hope i could help!