Refer to the figure below to finish the following statement:
The animal that has this digestive system…

Question

BlackTom AI · Accepted Answer

Question context: You are shown a figure of a digestive system and asked to finish the statement about the animal that has this system. The provided answer options describe various features that could or could not fit the depicted system. Now let's analyze each option in turn, considering what the diagram implies about digestion and movement of food.

Option 1: "does not have a colon."
This claim suggests the animal lacks a distinct large intestine (colon). Depending on the actual anatomy shown, some invertebrates (like many worms) do not have a colon as in vertebrate anatomy. If the diagram is of a worm-like digestive tract, this could be plausible. However, the question’s model answer indicates a characteristic about the rate of food passage rather than naming a specific organ, so this option may be less directly supported by the image alone and could be misleading if the diagram is intended to highlight a slow-digestion system rather than specifically absence of a colon.

Option 2: "is likely to show slow passage of food through the system."
This is the option identified as correct in the given data. Many organisms with long, convoluted digestive tracts (e.g., segmented worms with extended gut pathways) tend to have slower transit times because the food must travel a longer distance and may pass through multiple specialized regions (crop, gizzard, intestine, etc., in some species). The presence of an elongated, winding digestive tube in the diagram supports the idea of a longer path for material to travel, which commonly corresponds to slower passage of food. This aligns with the characteristic described in the statement and matches the supplied correct answer.

Option 3: "is likely to have a diet of plants and grasses."
A plant-based diet is not a universal predictor of transit speed alone. Some herbivores have long digestive tracts to extract nutrients from tough plant material, which can involve slower passage, but other animals with long guts may still process various foods or have faster transit due to adaptations like ceca, rapid gut motility, or specialized processing. Since the diagram alone does not specify dentition, specialized gut regions for cellulose digestion, or other herbivorous adaptations, this option overreaches what the image directly supports.

Option 4: "is likely to hunt for its meal."
 Hunting implies predatory behavior, often associated with different digestive tract designs (e.g., shorter, more efficient guts for rapid energy intake or specialized organs for processing prey). A long, winding digestive system is not a universal indicator of a predatory lifestyle. Without additional evidence of predation-related anatomy (like stomach specialization for large prey or rapid turnover), this statement is not strongly inferred from the diagram alone and is therefore less credible given the image.

In summary, evaluating the options against the idea of a long, winding digestive tract (as suggested by the diagram) makes the rationale for slow food passage in option 2 the most coherent link. The other choices either infer organ presence not clearly supported by the diagram, make assumptions about diet or behavior that aren’t directly indicated, or rely on mismatched expectations about gut form and function.

AGRI10050_2025_SM1 Exam: Agricultural Systems Biology (AGRI10050_2025_SM1)- Requires Respondus LockDown Browser

Refer to the figure below to finish the following statement: The animal that has this digestive system…

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