Podcast
Questions and Answers
What is the role of the central nervous system (CNS)?
What is the role of the central nervous system (CNS)?
- Mediating the transmission from sensory neurons to effectors
- Acting directly on the effectors (smooth muscle)
- Processing sensory information and coordination of motor output (correct)
- Receiving external stimuli and transmitting information to effectors
Where did actual neurons first appear?
Where did actual neurons first appear?
- Sponges and Placozoa
- Ctenophora and Cnideria (correct)
- Cnideria and Bilaterians
- Bilaterians and Sponges
What is the possible scenario for the origin of neurons?
What is the possible scenario for the origin of neurons?
- Ancestral plurifunctional sensory/contractile myoepithelial cell (correct)
- External stimuli acting directly on the effectors
- Mediation of transmission from sensory neurons to effectors
- Division of labor into sensory and contractile cells
What is the functional polarity of neurons responsible for?
What is the functional polarity of neurons responsible for?
Which organisms do not possess a nervous system?
Which organisms do not possess a nervous system?
What is the role of the central nervous system (CNS)?
What is the role of the central nervous system (CNS)?
Where did actual neurons first appear?
Where did actual neurons first appear?
What is the possible scenario for the origin of neurons?
What is the possible scenario for the origin of neurons?
What is the functional polarity of neurons responsible for?
What is the functional polarity of neurons responsible for?
Which organisms do not possess a nervous system?
Which organisms do not possess a nervous system?
Which of the following is a common mode of asexual reproduction in cnidarians?
Which of the following is a common mode of asexual reproduction in cnidarians?
What is the process where two different gametes fuse to form a zygote?
What is the process where two different gametes fuse to form a zygote?
In which type of reproduction does genetic recombination occur?
In which type of reproduction does genetic recombination occur?
Which type of reproduction allows every member of the population to convert resources to offspring efficiently?
Which type of reproduction allows every member of the population to convert resources to offspring efficiently?
What is apomixis in the context of reproduction?
What is apomixis in the context of reproduction?
