B4.2.2—Oxygen tolerance question 1
A student set up a 20 -metre transect line along a rocky shore and measured the abundance of seven species of seaweeds (A-G) at 21 different sampling stations at fixed distances. The kite diagram represents the species abundance data across the 20 metres.
Seaweeds are obligate aerobes. Describe an environmental condition required for seaweed survival.