Describe the three basic levels in an ecosystem. Provide an example of each. (Site 1).

The three basic levels in an ecosystem are Producers, consumers and decomposers.

Explanation:

Producers: The green plants that make high energy molecule such as glucose (food) by the help of the sunlight is known as the producers.

     Example: Plants and blue-green algae.

Consumers: The small animals that feed on the plants for their energy requirement is known as consumers.

     Example: Rabbit, Goat, Cow et cetera.

Decomposers: The bacteria, fungi and other microorganism that feed on the dead and decaying animals and obtain energy from this organic matter is known as decomposers.

     Example: Winter fungus.

Hope this helps :)

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.