Figure 18.3 Using the Figure Above, Identify the Labeled Structure(s) in Each

question 112

Multiple Choice

Figure 18.3

Using the figure above, identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label N.

• A) Choroid
• B) Fovea
• C) Conjunctiva
• D) Iris
• E) Sclera

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Definitions:

Photosynthetic Organisms

Organisms that convert light energy into chemical energy through the process of photosynthesis, including plants, algae, and certain bacteria.

Primary Consumers

Organisms, typically herbivores, that feed directly on producers (plants) in the food chain.

Complex Food Web

An intricate network of interrelated food chains in an ecosystem, illustrating how different species are connected through feeding relationships.

Trophic Levels

The hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.