Podcast
Questions and Answers
What is the function of the sensory systems mentioned in the text?
What is the function of the sensory systems mentioned in the text?
- To sense the environment and other animals’ behaviour in order to make appropriate decisions (correct)
- To control voluntary muscle movements
- To produce hormones for growth and development
- To regulate body temperature and metabolism
What is the main purpose of vision for river dolphins according to the text?
What is the main purpose of vision for river dolphins according to the text?
- Long-distance navigation
- Detecting changes in water temperature
- Identifying different species of fish
- Close range activities like hunting and social interactions (correct)
What is the role of the pad under the eye of dolphins and pinnipeds?
What is the role of the pad under the eye of dolphins and pinnipeds?
- Secrete oil to protect from saltwater (correct)
- Aid in buoyancy control
- Regulate body temperature
- Enhance echolocation abilities
Why do river dolphins have small eyes according to the text?
Why do river dolphins have small eyes according to the text?
What type of cells in the retina are responsible for low-light and black-and-white vision?
What type of cells in the retina are responsible for low-light and black-and-white vision?
Which marine mammals have lost their S-cones and rely on rods for vision?
Which marine mammals have lost their S-cones and rely on rods for vision?
Which mammals are dichromats with L-cones for red to green and S-cones for blue to UV?
Which mammals are dichromats with L-cones for red to green and S-cones for blue to UV?
Which adaptation allows some mammals to see better in low-light conditions?
Which adaptation allows some mammals to see better in low-light conditions?
Which sensory adaptation is used for close range interactions in marine mammals?
Which sensory adaptation is used for close range interactions in marine mammals?
Which mammals are monochromats with no S-cones?
Which mammals are monochromats with no S-cones?
Which type of mammals have a reflective layer behind the retina for low-light adaptation?
Which type of mammals have a reflective layer behind the retina for low-light adaptation?
Which adaptation allows some marine mammals to maintain hearing underwater?
Which adaptation allows some marine mammals to maintain hearing underwater?
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