Marine Primary Producers

Front

What are marine primary producers?

Back

Organisms that produce organic compounds from carbon dioxide through photosynthesis, primarily including phytoplankton, seaweeds, and seagrasses.

Front

Which marine producer is often referred to as the 'nurseries of the sea'?

Back

Seagrass meadows.

Front

What is a thallus in the context of marine algae?

Back

The main body of a seaweed, which is not differentiated into leaves, stems, or roots.

Front

What is the function of a holdfast in seaweed?

Back

It anchors the seaweed to the substrate, similar to roots in terrestrial plants.

Front

What type of algae are kelp classified as?

Back

Brown algae.

Front

What is Sargassum?

Back

A free-floating brown algae that provides shelter for various oceanic organisms.

Front

What are the blades of seaweed?

Back

The leaf-like structures of seaweed that are involved in photosynthesis.

Front

What is the role of phytoplankton in marine ecosystems?

Back

They are primary producers that form the base of the marine food web.

Front

What is the difference between seagrasses and seaweeds?

Back

Seagrasses are flowering plants that grow in marine environments, while seaweeds are non-flowering algae.

Front

What is the significance of coral reefs in marine ecosystems?

Back

They provide habitat and shelter for a diverse range of marine species and are crucial for biodiversity.