Squid belongs to the phylum mollusks which come under kingdom animalia Squids are the largest known invertebrate which comes under the class cephalopoda. It consists of a distinct head, bilateral symmetry, true coelom and a complete digestive tract. It shows the characteristic of cephalization.

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21, Problem 5MCQ

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Squid belongs to the phylum mollusks which come under kingdom animalia Squids are the largest known invertebrate which comes under the class cephalopoda. It consists of a distinct head, bilateral symmetry, true coelom and a complete digestive tract. It shows the characteristic of cephalization.

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Which of the following applies to a squid? a. Cephalization c. Complete digestive tract b. True coelom d. All of these are correct.

Segmentation, first seen in annelids, allows evolutionary advantages bya. allowing more fluid movement for less energy expense.b. specialization of segments to carry out different functions.c. allowing coelom development.d. concentrating sensory and nervous tissues and organs in the direction of motion.

A coelomate organism may have which of the following characteristics? a. Circulatory system b. Internal skeleton c. Larger size than a pseudocoelomate d. All of the choices are correct.

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21, Problem 5MCQ

Summary Introduction

Introduction:

Squid belongs to the phylum mollusks which come under kingdom animalia Squids are the largest known invertebrate which comes under the class cephalopoda. It consists of a distinct head, bilateral symmetry, true coelom and a complete digestive tract. It shows the characteristic of cephalization.

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Answer 3

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21, Problem 5MCQ

Summary Introduction

Introduction:

Squid belongs to the phylum mollusks which come under kingdom animalia Squids are the largest known invertebrate which comes under the class cephalopoda. It consists of a distinct head, bilateral symmetry, true coelom and a complete digestive tract. It shows the characteristic of cephalization.

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Answer 4

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21, Problem 5MCQ

Summary Introduction