Why can red algae grow at greater depths than most other photosynthetic organisms?
A)Their accessory pigments absorb enough light to thrive in dim light.
B)They are adapted to live at greater pressures.
C)They grow to be extremely long, and can reach into the euphotic zone.
D)They are partly heterotrophic, obtaining energy from captured zooplankton.

Question

Quizplus · Accepted Answer

Red algae have accessory pigments called phycobiliproteins that allow them to absorb enough light to carry out photosynthesis in dim light conditions, such as those found at greater depths in the ocean.

Why Can Red Algae Grow at Greater Depths Than Most