Multiple Choice
When you look at a pine or maple tree, the plant you see is a __________.
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1. Introduction to Biology
Introduction to Taxonomy
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What is the primary function of the cephalothorax in a crayfish?
A
It functions as the main site for reproduction.
B
It is responsible for producing digestive enzymes.
C
It houses and protects vital organs such as the heart, stomach, and gills.
D
It stores energy in the form of glycogen.
Verified step by step guidance1
Step 1: Understand the anatomy of a crayfish. A crayfish is an arthropod with a segmented body divided into two main parts: the cephalothorax and the abdomen. The cephalothorax is the fused head and thorax region.
Step 2: Identify the primary function of the cephalothorax. The cephalothorax serves as a protective structure that houses vital organs such as the heart, stomach, and gills.
Step 3: Eliminate incorrect options. The cephalothorax is not primarily responsible for reproduction, producing digestive enzymes, or storing energy in the form of glycogen. These functions are associated with other parts of the crayfish's anatomy.
Step 4: Relate the cephalothorax's function to its structure. The hard exoskeleton of the cephalothorax provides physical protection to the organs it encloses, ensuring the crayfish's survival in its environment.
Step 5: Confirm the correct answer. Based on the anatomical and functional understanding, the correct answer is that the cephalothorax houses and protects vital organs such as the heart, stomach, and gills.
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