Lecture-2 - CLICKERS! LCD screen for feedback...

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Unformatted text preview: CLICKERS! LCD screen for feedback Numbered/lettered buttons for answering questions Menu & Enter buttons for adjusting clicker settings [- Press MENU twice to put clicker in Presentation Mode (if not already). YES & NO (Down & Up) ] Light for feedback Channel 60 - To answer, press letter/number. Channel 60 • Press and release GO / Ch button. • While light flashing red/green, enter channel (60). • Press GO / Ch . • Press/release one of the numeric buttons – light should flash yellow. • Press the MENU button until you see the main screen. • Use the down arrow key (Yes) to select the Change Channel Menu item. • Press the Enter key to change the channel. • You will momentarily see the change channel screen. • If the current channel is correct, then press the Enter button, otherwise use keypad to enter 60. • Press Enter to change to the new channel. • If the channel is correct, the ResponseCard will report that the channel has been changed and the receiver was found. • After the ResponseCard has successfully found a receiver, it will enter into Presentation Mode and you can begin entering answers when polling is open. What good is ‘half’ an eye? Better than no eye at all! Evolution of the camera eye Simple Complex Eyes Eye spot – e.g., Euglena Eye cup – e.g., Dugesia Pinhole eye – e.g., Nautilus Primitive lens – e.g., Box jellyfish Evolution of Eyes Modern-day closely-related spp. show gradient from simple to complex eyes (e.g. Mollusca) Limpet – simple layer of photosensitive cells Slit-shell snail – simple layer of photosensitive cells curved in eyecup Nautilus – pinhole-camera eye Squid – advanced camera eye Organisms Making Their Own Light: Bioluminescence • Range of organisms can use chemical energy to make light referred to as bioluminescence Bio = living Lumen = Light • Bioluminescent organisms use light to: – Attract a mate – Camouflage – Attract prey – Communicate Bioluminescence http://deepbluehome.blogspot.com/2010/06/random-excerpt-bioluminescence.html http://www.solarnavigator.net/films_movies_a ctors/cartoons/finding_nemo.htm http://www.boddunan.com/component/cont ent/article/72-animals/4529-have-you- heard-of-bioluminescence.html Role of Light in Ecology and Behaviour • Circadian rhythms • Camouflage • Using colour as signals • Light in aquatic habitats How does light influence behaviour? Circadian Rhythms • Many physiological and behavioral responses are geared to daily changes in light and darkness and these daily changes are known as circadian rhythms....
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This note was uploaded on 01/04/2012 for the course BIOLOGY 1000 taught by Professor Rebeccajubis during the Fall '11 term at York University.

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Lecture-2 - CLICKERS! LCD screen for feedback...

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