The Gut (Grade 11 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a blind-ending gut?
What is a blind-ending gut?
A digestive system with one opening
What is the main disadvantage of animals with one opening in their digestive system?
What is the main disadvantage of animals with one opening in their digestive system?
Cannot eat and eliminate waste at same time
Which animals have blind-ending guts?
Which animals have blind-ending guts?
Jellyfish and flatworms
What advantage does a through-gut system provide?
What advantage does a through-gut system provide?
Allows continuous feeding
What characterises acoelomate animals?
What characterises acoelomate animals?
No true body cavity; space filled w/ tissue
Which animals are examples of acoelomates?
Which animals are examples of acoelomates?
Flatworms
What is a coelom?
What is a coelom?
Fluid-filled space within mesoderm layer
Where is the pseudocoel located in pseudocoelomate animals?
Where is the pseudocoel located in pseudocoelomate animals?
Between mesoderm and endoderm layers
What is peristalsis?
What is peristalsis?
Wave-like contractions pushing food through gut
What must an animal be before it can develop a true coelom?
What must an animal be before it can develop a true coelom?
Triploblastic (having three germ layers)