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Animal Receptors
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Receptors
Perception of information
Euglena (Proctoctist)
Eyespot: mancha ocular
• The Euglena is unique in that it is both heterotrophic (must consume food) and autotrophic (can make its own food).
• Euglena also have an eyespot at the anterior end that detects light, it can be seen near the reservoir.
Wasp ocelli
Caterpillar eye
Compound eyes (multi-lensed)
Some insects can see in the ultra-violet spectrum of light
Camera eyes
Forked tongue : Lengua bífida
• A forked tongue is a tongue split into two distinct tines at the tip; this is a feature common to many species of reptiles. Reptiles smell using the tip of their tongue, and a forked tongue allows them to sense from which direction a smell is coming.
Whiskers : bigotes de gato
Lateral line system
• which detects gentle currents and vibrations, and senses the motion of nearby fish and prey.
• Echolocating: bats can use acoustic landmarks for spatial orientation.
Eardrum, tympanum: tímpano
Insect antennae
Start-nosed mole (topo)
Internal sensory system