Podcast
Questions and Answers
What is one purpose of the feathery fringe around axolotls' gills?
What is one purpose of the feathery fringe around axolotls' gills?
- Serving as a reproductive organ
- Enhancing sensory perception (correct)
- Storing excess oxygen
- Regulating body temperature
In unicellular organisms, how do exchanges with the environment primarily occur?
In unicellular organisms, how do exchanges with the environment primarily occur?
- Through specialized exchange systems
- By direct contact with the environment
- Through internal transport systems
- Via diffusion across the plasma membrane (correct)
What is a key function of gills in animals like fish?
What is a key function of gills in animals like fish?
- Enhancing reproductive capabilities
- Regulating blood sugar levels
- Increasing respiratory efficiency (correct)
- Aiding in filter feeding
Why is adaptation necessary for efficient exchange in multicellular organisms?
Why is adaptation necessary for efficient exchange in multicellular organisms?
How are internal transport and gas exchange related in most animals?
How are internal transport and gas exchange related in most animals?
What do circulatory systems in animals primarily do?
What do circulatory systems in animals primarily do?
What is the function of the gastrovascular cavity in simple animals like cnidarians?
What is the function of the gastrovascular cavity in simple animals like cnidarians?
Why can planarians and most flatworms survive without a circulatory system?
Why can planarians and most flatworms survive without a circulatory system?
What is the main difference between open and closed circulatory systems in animals?
What is the main difference between open and closed circulatory systems in animals?
Why might insects and arthropods have an open circulatory system?
Why might insects and arthropods have an open circulatory system?
How does hemolymph travel in an open circulatory system after being pumped by the heart?
How does hemolymph travel in an open circulatory system after being pumped by the heart?
What aids in circulating hemolymph in arthropods with an open circulatory system?
What aids in circulating hemolymph in arthropods with an open circulatory system?
