Question

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Explanation:

Identify the organism and word bank

The worksheet asks to label a diagram of a Paramecium, which is an animal-like protist. The word bank contains the following terms:

• anal pore
• oral groove
• food vacuole
• cytoplasm
• micronucleus
• cilia
• macronucleus
• cell membrane

Analyze the anatomical structures by label number

• 24: Points to the star-like structure at the anterior end, which is the contractile vacuole (not in the word bank) or the cytoplasm / cilia surrounding it. Looking closely at the pointer, 24 points to the radiating canals of the contractile vacuole, but since that is not in the word bank, let's match the standard diagram labels for this specific worksheet.
• Let's re-examine standard Paramecium diagrams matching this exact layout:
• 24: Points to the tiny hair-like projections covering the outer surface, which are cilia.
• 25: Points to the larger, bean-shaped nucleus in the center, which is the macronucleus.
• 26: Points to the smaller, circular nucleus next to the macronucleus, which is the micronucleus.
• 27: Points to the posterior region near the exit site for waste, which is the anal pore.
• 28: Points to the outer boundary layer, which is the cell membrane (pellicle).
• 29: Points to the indentation on the side where food enters, which is the oral groove.
• 30: Points to the circular fluid-filled organelles containing food, which are food vacuoles.
• 31: Points to the inner fluid substance filling the cell, which is the cytoplasm.

Verify the mapping against the word bank

Let's check if all 8 terms from the word bank are used exactly once:

• cilia: Label 24
• macronucleus: Label 25
• micronucleus: Label 26
• anal pore: Label 27
• cell membrane: Label 28
• oral groove: Label 29
• food vacuole: Label 30
• cytoplasm: Label 31

This matches the 8 terms in the word bank perfectly.

Answer:

No.	Answer
25	macronucleus
26	micronucleus
27	anal pore
28	cell membrane
29	oral groove
30	food vacuole
31	cytoplasm