Types of Receptors
Respond to temperature changes
Thermoreceptors
If correct, switch with the highest place team
Give an example of a body part that has photoreceptors
Eye (rods and cones)
A nerve ending that sends signals to the central nervous system when it is stimulated
Sensory Receptor
If incorrect, switch with the lowest place team
Iris
Describe how echolocation works in five steps. For an additional 100 points (2x), identify three species that use it
An organism transmits sound, the sound bounces off items in the environment, the sound returns to the organism and is detected by sensory receptors, the brain processes the information, and the organism responds.
Bats, dolphins, toothed whales, dormice, shrews
Respond to chemicals in taste and smell and in internal changes.
Chemoreceptors
Give an example of a body part that has mechanoreceptors.
Skin and ears
If correct, receive an additional 200 points
A cell specialized for transmitting fast electrochemical signals
Nerve Cell
The part of the eye that lets light pass through
Pupil
Identify three organisms that use electroreception and how they use it.
Sharks and platypus - to find prey
Bees - to find plants based on negative charges
Respond to light
Photoreceptors
Give an example of a body part that has a higher concentration of proprioceptors
Hands or head
What a plant or animal does after sensing the input
Response
For double points: How old is Mr. Heyvaert?
Name one part of the eyeball that helps protect the eye
Cornea and/or sclera
Pit vipers rely on thermoreceptors to detect prey. What type of electromagnetic radiation do they detect?
Infrared radiation
Respond to the body positions of skeletal muscles, tendons, ligaments, and joints.
Proprioceptors
Give an example of a body part that has chemoreceptors
Nose, mouth, tongue
An action or condition that provokes a response
Stimulus
Magnifies the image to the back of the eye
Lense
For an additional 400 points: What is the name of the two liquids in the eye?
How many taste receptors do catfish have on their bodies?
100,000 taste receptors
Respond to pain signals
Nociceptors
Where do humans have the most nociceptors?
Skin
The three types of sensory input
Mechanical, chemical, electromagnetic
Detects an image with photoreceptors and relays the image to the brain (two parts)
Retina and optic nerve
Choose one to answer:
Elephants can smell water that is how many miles away?
Sense of smell in dogs is how many times more powerful than humans?
12 miles
40x