Incomplete circulatory systems are __________ (answer all that apply)
Understand the Problem
The question is asking about the efficiency of incomplete circulatory systems in comparison to complete circulatory systems, and what factors may affect their efficiency.
Answer
Less efficient than complete systems; efficient enough depending on factors.
The final answer is less efficient than complete circulatory systems and efficient enough depending on certain factors.
Answer for screen readers
The final answer is less efficient than complete circulatory systems and efficient enough depending on certain factors.
More Information
Incomplete circulatory systems are characteristic of some invertebrates such as arthropods and certain mollusks, where blood or hemolymph flows freely around the organs. They are less efficient due to less precise distribution but can be effective enough for smaller or less active organisms.
Tips
Assume systems need to adapt to organism size and activity levels. Efficiency varies with oxygen and nutrient needs.
Sources
- Circulatory system - Wikipedia - en.wikipedia.org
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