Question

In a terrestrial ecosystem, major producers are

• A. All of the above.
• B. Herbaceous and woody plants
• C. Algae
• D. Phytoplankton

Answer 1

The correct option is B Herbaceous and woody plants

Introduction to terrestrial ecosystems :
A terrestrial ecosystem is a land-based ecosystem. It includes communities inhabiting land and their interaction with the environment. Some examples of terrestrial ecosystems are forest, grassland, and desert, etc.

Producers :
Producers are autotrophic organisms that can prepare their own food by utilising the sun's energy or chemical energy obtained from the oxidation of organic or inorganic molecules, e.g., plants, phytoplankton.

Herbaceous and woody plants :
Herbaceous and woody plants such as trees and shrubs are the main producers of the terrestrial ecosystem as they comprise the vegetation in terrestrial ecosystems.

Phytoplanktons and algae :
Phytoplanktons are microscopic marine algae that are found only in aquatic ecosystems and are the major producers in such ecosystems.
Although some forms of algae do grow on moist stones or soil in some places, they are majorly aquatic organisms and are considered producers of aquatic ecosystems.

Final answer :
(A) Herbaceous and woody plants