Card 16 / 29: What is a nematocyst?
A)
a fluid-filled capsule that contains a long, spirally coiled hollow thread. When triggered the nematocyst is discharged, some of which may trap prey while others have spines that penetrate and inject paralyzing toxins.
B)
liver fluke removed from their body, from which internal organ would it have been removed
C)
a highly modified head region that contain hooks for attachment to the intestinal wall of the host and suckers for feeding; found in tapeworms.
Answer:
A) a fluid-filled capsule that contains a long, spirally coiled hollow thread. When triggered the nematocyst is discharged, some of which may trap prey while others have spines that penetrate and inject paralyzing toxins.
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