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Jeopardy Theory Taking the Heat Good Behavior Staying Alive Relationships $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 To compensate for a high mortality rate, numerous offspring are produced. What is Over-production? What are “Inherited Variations” nd 2 The part of the theory that discusses the result of slight, random mutations- which may or may not help an organism survive. He wrote the book, The Origin of the Species by Natural Selection after visiting the Galapagos Islands. Who is Charles Darwin? The part of Darwin’s theory that describes the difficulty species have in finding food & avoiding predation What is “Struggle to Survive”? The theory that explains the process by which organisms with favorable traits survive & reproduce at a higher rate than others without the favorable trait. What is “Natural Selection”? The purpose of desert adaptations that include small or waxy leaves and dry flower petals. What is conserving water? http://pinterest.com/gjacqui/australian-wild-flowers/ http://www.squidoo.com/creosote-bush http://en.wikipedia.org/wiki/Mesquite Body temperatures are regulated internally for these animals. Sweating, shivering, & panting are actions used to help control their temperature. What are Endotherms? A behavioral adaptation in desert animals whose daily cycle What is includes hunting at being night and resting nocturnal? during hot days. DAILY DOUBLE Desert animals whose lightcolors help them blend in with the desert sand use this kind of protection. What is concealing coloration or camouflage? Also known as “coldblooded,” their body temperature is affected by external conditions. What are Ectotherms? To re-locate to another place due to harsh conditions or to find food. What is Migration ? A period of inactivity when an animal’s body temperature and heart rate drop. What is Hibernation? A period when plants drop their leaves due to harsh temperatures, reduced sunlight, or drought. What is Dormancy? What is Estivation? A period of inactivity, like hibernation, when desert animals retreat from heat and/or lack of water. (hint: the spade foot toad or desert tortoise Wind, water, animals, & sticking are helpful ways that a plant species ensure successful reproductions What is seed dispersal? When animals on Darwinia, or other islands, become separated from other members of their species. What is This also includes isolation separation due to or mountains, canyons, or geological rivers. isolation? Every member of the species has died. What is Extinction? They are random variations which may or may not affect the organism’s ability to survive. What are mutations? Having the ability to survive in their environment. What are adaptations or what is biological fitness? When these are introduced into an eco-system the natural balance may be disrupted because they have no natural predators and are not indigenous to the area. What are non-native or invasive species? The coyote and the jack rabbit have this kind of a relationship in which one is hunted and the other is the hunter. What is Predator – Prey relationship? In this relationship, like the mistletoe and the mesquite, one benefits at the expense of the other. What is Parasitism The red-tailed hawk, the coyote, and the rattlesnake all like to eat ground squirrels. These predators What is a have this kind of Competitive relationship. Relationship? Desert Javelina and the mesquite tree have a helpful relationship in which one eats the beans, and in turn the animal spreads the seeds and helps them germinate through digestion What is mutualism? The cactus wren benefits from the cholla cactus as the bird builds its nest in it. The cactus gets nothing in return and is not What is harmed. commensalism? FINAL JEOPARDY Theory Application ? When a new species forms due to geographical, ecological or seasonal isolation. What is SPECIATION?