Chapter 25: Worms and Mollusks Test
Worms and Mollusks Quiz
Test your knowledge on the fascinating world of worms and mollusks! This quiz will challenge you on various aspects of these invertebrates, including their anatomy, physiology, and evolutionary characteristics.
Whether you are a student, teacher, or simply a fan of biology, this quiz is designed for everyone who wants to enhance their understanding of these intriguing creatures.
- Multiple choice and checkbox questions
- Focus on key concepts and similarities
- Engaging and informative
Which of these statements is true regarding flatworms and roundworms?
They both have bilateral symmetry.
They both are pseudocoelomates.
They both are coelomates
They both have radial symmetry
Which of these features is a similarity between flatworms and cnidarians?
Both utilize flame cells
Both have excretory system
Both lack a circulatory and respiratory system
Both have circulatory and respiratory system
What term describes the pseudocoelom providing rigid support for muscles to work against?
Hydrostatic skeleton
Trichinosis
Gastropod
Mantle
How are rotifers different from roundworms?
They move through water.
They have bilateral symmetry.
They are pseudocoelomates.
They evolved from an ancestral protist.
What comparison can be made between roundworms and flatworms, based on this evolutionary tree?
Both have bilateral symmetry.
Only flatworms evolved from an ancestral protist.
Both are pseudocoelomates.
Both have radial symmetry.
Why is the roundworm C. Elegans useful for scientific research?
Does not contain DNA bases
Large number of cells and long zygote maturation
Small number of cells and short zygote maturation
DNA does not encode genes
Why is an open circulatory system suitable for many mollusks?
Slow moving animals need rapid intake of oxygen.
Slow moving animals do not need rapid intake of oxygen.
This system allows oxygen intake through the shell.
This system prevents oxygen loss through the shell.
What can be concluded about annelids based on this evolutionary tree?
Lack segmentation and have coeloms
Lack coeloms and protostome development
Have coeloms and are segmented
Are segmented and closely related to cnidarians
What is the name and function of the hair-like projections in this earthworm cross section?
Satae; aids in respiration
Gizzard; secretes lubricant
Crops; protects from predators
Satae; provide anchor for pushing through soil
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