Vocabulary
These are the dense networks of interwoven nerve fibers and their branches and synapses, usually with brains.
What are Neuropils?
This is the evolutionary trend of concentrating sensory and neural structures towards the anterior end.
What is cephalization?
Name 1 thing that sensory organs help with
what is movement, feeding, reproduction, and defense?
A nocturnal predator navigates through dense forests using only the faintest light. Its brain must process inputs from these organs to hunt efficiently.
What are Photoreceptors?
This is responsible for bringing IN sensory input such as pain, taste, smell, etc.
What are Afferent Nerves?
What was the earliest organism that lacked true nerves?
What are poriferas?
What type of sensory organs are chemoreceptors?
What are Taste and Smell Organs?
As a jellyfish is floating in the ocean and a fish brushes up against it, what type of nervous system springs to action?
What is a Nerve Net
Conducts an impulse from the central processing center to a muscle, where the response occurs.
What are Efferent Nerves?
What are the three steps of how the nervous system works?
What is Sensory input, Integration, and Motor output?
Name the two types of Mechanoreceptors
What are Tactile Receptors and Proprioceptors?
Photoreceptors
What is the type of sensory organ that is light a light sensing organ?
Can detect the Earth's magnetic field for navigation.
What are Magnetoreceptors?
This sort of arrangement of nerve tissue contains radial nerves extending to each body region.
What is a nerve ring?
Give an example of a sensory organ in the Annelida Phyla
What are Photoreceptors or Statoreceptors?
Arthropoda (Insects & Spiders)
Mollusca (Snails, Clams, Octopuses)
Cnidaria (Jellyfish, Corals, Sea Anemones)
Name a type of phylum that is in Mechanoreceptors?
Detects the limb and body position.
What are Proprioceptors?
Each part of the body “thinks” on its own and acts independently from all other parts of the body.
What is decentralized nervous system?
What is the function of Statoreceptors?
What is 'Help invertebrates sense gravity and body position'?
yes
Do sensory organs in inverts have all 5 sense like a human?