Podcast
Questions and Answers
What are the three tissue layers present in bilaterians?
What are the three tissue layers present in bilaterians?
- Ectoderm, endoderm, and mesoderm (correct)
- Ectoderm, mesoderm, and endodermic
- Endoderm, ectoderm, and mesenchyme
- Mesoderm, endoderm, and ectodermic
What is the term for the study of the development of the zygote?
What is the term for the study of the development of the zygote?
- Developmental biology
- Embryology (correct)
- Germ layer formation
- Embryogenesis
What is the stage of development where each cell division produces smaller cells that then form a cavity?
What is the stage of development where each cell division produces smaller cells that then form a cavity?
- Morula
- Gastrula
- Blastula (correct)
- Cleavage
Which type of embryonic development is characterized by determinate cleavage?
Which type of embryonic development is characterized by determinate cleavage?
What is the term for the body cavity found in some animals?
What is the term for the body cavity found in some animals?
Which group of animals is characterized by the presence of a mesoglea?
Which group of animals is characterized by the presence of a mesoglea?
What is the term for the process by which the gastrula stage develops into a more complex body structure?
What is the term for the process by which the gastrula stage develops into a more complex body structure?
Which group of animals is characterized by the absence of a gut?
Which group of animals is characterized by the absence of a gut?
What is the term for the process of cell division that occurs during early embryonic development?
What is the term for the process of cell division that occurs during early embryonic development?
Which type of embryonic development is characterized by indeterminate cleavage?
Which type of embryonic development is characterized by indeterminate cleavage?
In bilaterians, which tissue layer covers the embryo's surface?
In bilaterians, which tissue layer covers the embryo's surface?
During cleavage, what is the result of each cell division?
During cleavage, what is the result of each cell division?
What is the characteristic of protostome gastrulation?
What is the characteristic of protostome gastrulation?
What is the consequence of removing a cell in a protostome embryo?
What is the consequence of removing a cell in a protostome embryo?
What is a characteristic of deuterostome cleavage?
What is a characteristic of deuterostome cleavage?
What is the name of the space between the ectoderm and endoderm in cnidarians?
What is the name of the space between the ectoderm and endoderm in cnidarians?
What is the significance of the coelom in constructing evolutionary trees?
What is the significance of the coelom in constructing evolutionary trees?
What is a characteristic of platyhelminthes?
What is a characteristic of platyhelminthes?
What is the general term for the three layers present in bilaterian embryos?
What is the general term for the three layers present in bilaterian embryos?
What is the term for the study of the development of the fertilized ovum?
What is the term for the study of the development of the fertilized ovum?
