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Questions and Answers
Which type of circulatory system involves blood being pumped out of the heart directly to cells and tissues?
Which type of circulatory system involves blood being pumped out of the heart directly to cells and tissues?
- Open type (correct)
- Semi-open type
- Partial type
- Closed type
What is the body plan called when an organism can be divided into identical left and right halves in only one plane?
What is the body plan called when an organism can be divided into identical left and right halves in only one plane?
- Asymmetry
- Radial symmetry
- Bilateral symmetry (correct)
- Partial symmetry
In which group of animals can a plane passing through the central axis of the body divide them into two identical halves?
In which group of animals can a plane passing through the central axis of the body divide them into two identical halves?
- Coelenterates, ctenophores, and echinoderms (correct)
- Mammals and birds
- Annelids and arthropods
- Sponges
Which group of animals exhibit diploblastic organization?
Which group of animals exhibit diploblastic organization?
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Which of the following is NOT a characteristic of animals exhibiting radial symmetry?
Which of the following is NOT a characteristic of animals exhibiting radial symmetry?
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What is the undifferentiated layer present between the ectoderm and endoderm in diploblastic animals called?
What is the undifferentiated layer present between the ectoderm and endoderm in diploblastic animals called?
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