Multiple Choice
The gametophyte stage of the plant life cycle is most conspicuous in __________.
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1. Introduction to Biology
Introduction to Taxonomy
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Which of the following best describes the function of the maxillae in crayfish?
A
They serve as primary respiratory organs.
B
They are used for locomotion and swimming.
C
They are sensory organs for detecting light.
D
They manipulate and move food toward the mouth.
Verified step by step guidance1
Understand the anatomy of a crayfish: Crayfish are crustaceans with specialized appendages that serve different functions, such as feeding, locomotion, and sensory perception.
Identify the maxillae: The maxillae are paired appendages located near the mouth of the crayfish. They are part of the feeding apparatus.
Determine the function of the maxillae: The maxillae are specifically adapted to manipulate and move food toward the mouth, aiding in the feeding process.
Eliminate incorrect options: The maxillae are not involved in respiration (gills serve this function), locomotion (walking legs and swimmerets are used for this), or light detection (compound eyes and antennae serve sensory functions).
Conclude the correct function: Based on the anatomy and role of the maxillae, their primary function is to manipulate and move food toward the mouth for ingestion.
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