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Questions and Answers
Which of the following organisms lacks a germ layer?
Which of the following organisms lacks a germ layer?
Which germ layer gives rise to the epithelial lining of the digestive tract and associated organs?
Which germ layer gives rise to the epithelial lining of the digestive tract and associated organs?
Which of the following is an example of a pseudocoelom?
Which of the following is an example of a pseudocoelom?
What is the term for individual cells during the division of a zygote?
What is the term for individual cells during the division of a zygote?
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Which of the following groups of organisms is characterized by determinate cleavage?
Which of the following groups of organisms is characterized by determinate cleavage?
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What is the function of the prostomium in earthworms?
What is the function of the prostomium in earthworms?
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Which of the following organisms has a radula?
Which of the following organisms has a radula?
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What is the function of the siphon in squid?
What is the function of the siphon in squid?
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What is the characteristic of Trochozoans?
What is the characteristic of Trochozoans?
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What is the primary function of the spongocoel in Scypha (Porifera)?
What is the primary function of the spongocoel in Scypha (Porifera)?
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What is the function of the gizzard in earthworms?
What is the function of the gizzard in earthworms?
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Which group of animals has a blastopore that forms the anus?
Which group of animals has a blastopore that forms the anus?
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What is the function of the proboscis in houseflies?
What is the function of the proboscis in houseflies?
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What is the function of the scolex in tapeworms?
What is the function of the scolex in tapeworms?
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What is the characteristic of Metameric segmentation?
What is the characteristic of Metameric segmentation?
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What is the function of ecdysteroids in Ecdysozoa?
What is the function of ecdysteroids in Ecdysozoa?
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What is the characteristic of the epidermis in Dugesia (Platyhelminthes)?
What is the characteristic of the epidermis in Dugesia (Platyhelminthes)?
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What type of skeleton is found in sponges?
What type of skeleton is found in sponges?
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Which of the following phyla is characterized by the presence of a syncytial monolayer epidermis/hypodermis?
Which of the following phyla is characterized by the presence of a syncytial monolayer epidermis/hypodermis?
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What is the main component of the shell in mollusks?
What is the main component of the shell in mollusks?
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Which type of cells is responsible for secretion of the cuticle in nematodes?
Which type of cells is responsible for secretion of the cuticle in nematodes?
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What is the function of rhabdites and gland cells in platyhelminthes?
What is the function of rhabdites and gland cells in platyhelminthes?
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In cnidarians, which tissue layer secretes the CaCO3 skeleton?
In cnidarians, which tissue layer secretes the CaCO3 skeleton?
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What is the primary function of the pancreas in the digestive system?
What is the primary function of the pancreas in the digestive system?
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Which system is responsible for thermoregulation?
Which system is responsible for thermoregulation?
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What is the primary function of the stomach in the digestive system?
What is the primary function of the stomach in the digestive system?
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What is the term for the process of maintaining stability and restoring the normal state when disturbed in an organism?
What is the term for the process of maintaining stability and restoring the normal state when disturbed in an organism?
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Which of the following is NOT a component of the circulatory system?
Which of the following is NOT a component of the circulatory system?
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What is the term for the contraction of ventricles in the circulatory system?
What is the term for the contraction of ventricles in the circulatory system?
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