Question

Which of the following examples correctly represents a large-scale ecosystem?

1. An aquarium tank with plants and fish.
2. A test tube experiment of phytoplankton.
3. The Sahara desert.
4. A single tree in a garden.

• A. 3 only
• B. 1 only
• C. 4 only
• D. 2, 4

Answer 1

Answer:

A. 3 only

• Large-scale ecosystems, often referred to as biomes, are extensive geographical areas characterized by dominant climate conditions and vegetation types.

• The Sahara Desert, for instance, spans millions of square kilometers and hosts a unique set of adapted flora and fauna, illustrating the vastness that an ecosystem can encompass and the broad-scale interactions that occur within it, such as atmospheric circulation and large-scale animal migrations.