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Desert Wildlife - Food Chains

Desert Food Webs

The interconnected feeding relationships in an ecosystem. These relationships can be complex; some organisms may feed on more than one trophic level, or changes may occur depending on a species' life history stages or the availability of food. If we are familiar with how energy moves through the system and the individual chains within the ecosystem, it is easier to visualize and understand how the ecosystem functions as a network or web.

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Lowest Level - Plants
Primary Producers

An organism capable of using the energy derived from light or a chemical substance in order to manufacture energy-rich organic compounds, mainly green plants.

Middle Level - Plant Eaters
Primary Consumers
Primary consumers are plant-eaters (also called herbivores).
Herbivores
Insects
Lizards
Tortoise


Mid-upper level
Secondary Consumers
Small Predators
Carnivores
Insectivores


Top Level
Large Predators
Carnivores


Decomposers
Organisms such as fungi and bacteria that feed on dead material causing the chemical breakdown of the material.


with each link dependent on the one below it for survival

Biome -

An ecosystem that covers a large geographic area where plants of one (are adapted) {type live due} to the specific climate (of) {in} the area.

Desert Food Pyramid

A pyramid representing trends in food consumption, with the lowest level (primary producers) having the greatest total biomass, ...
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