Red to blue

Green to red

Blue to red

Red to green

Shorter wavelengths of visible light penetrates water to the greatest depths.

Different wavelengths of visible light penetrate water to different depths.

Blue light penetrates water to the greatest depths.

Longer wavelengths of visible light penetrates water to the greatest depths.

It is due to the types of pigments embedded in their cell wall.

It is due to the types of pigments in their chloroplasts.

It is dues to the types of pigments embedded in their cell membrane.

It is due to the types of pigments in their nucleus.

They utilise inorganic nutrients from the surrounding water to make ATP.

They utilise organic molecules from their surroundings.

They use carbohydrates made in the chloroplasts to make ATP.

They transport ATP directly from the chloroplasts.