Affect on Extinction If extinction is a natural part of the world‚ why should we worry about it? Speciation results in new species filling the ecological niche of extinct species. Why should we care if we speed up this process? Biologists say there are four main reasons to care about extinctions. First‚ the world’s species are a vital part of the earth’s life support system. A second reason is that species usually contribute to economic services. The third reason is that it takes 25-50 times longer
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Chloe Lindbom Regeneration of a Planarian Over Time Erin Davis Biology Mrs. Werfelman 5th Hour 10/09/2014 10/20/2014 Background: The planarian‚ also known as the flatworm‚ is a creature that live all over land‚ oceans‚ and freshwater. (Biggs‚ A.‚ Gregg‚ K.‚ Hagins‚ W.‚ Kapicka‚ C.‚ Lundgren‚ L.‚ Rillero‚ P.‚ 2002) The planarian has a threebranched digestive cavity. (Alvarado‚ 2004) Planaria range from 1/8 to 1 inch. (Alvarado‚ 2004) The planarian can be cut into many pieces and each piece will grow
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05/19/14 Angelique Grady Classical conditioning and operant conditioning are both related by one ’s behavior whether it is a condition that comes naturally or is one that has to be learned. There are two emotional difficulties which are linked to these types of conditioning. They are called phobias and addictions. Once these behaviors are reinforced anymore‚ it will lead to extinction. Classical conditioning is a procedure by which a previously neutral stimulus comes to
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Phobias and Addictions Paper Classical conditioning and operant conditioning are two different ways people learn things and develop certain behaviors. People can develop phobias and addictions through classical and operant conditioning. “In classical conditioning‚ an environmental stimulus leads to a learned response‚ through pairing of an unconditioned stimulus with a previously neutral conditioned stimulus. The result is a conditioned response‚ or learned reflex” (Kowalski & Westen‚ 2011‚ “Learning”
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valueable enviromental indicators ‚ warning us of impending enviromental problems BIRDS We are Birds‚ Bird Institude that Reduce their Danger and Suffering‚ We are a global Institude crated in 2002 with an idea in mind: the protection of birds‚ that why we make and develop projects across the worls to prevent the decline of birds population WHAT WE DO Conservationists warn that many birds face the same fate as their prehistoric ancestors‚ the dinosaurs. But it isn’t an asteroid or volcanic eruption
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Lessons Learned Over Time In this class‚ we read different epic tales and watched one considered to be a modern day epic tale. Each story had a “hero” who proceeded on a journey to find their happily ever after. In the Odyssey‚ we meet Odysseus who takes 25 years to get home. We meet Dante from Inferno who is trying to get to heaven. Finally‚ we meet Arthur who becomes king of Camelot due to a sword in a stone. Three episodes that teach us life lessons are watching Odysseus patiently waits for the
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Theories For The Extinction of Dinosaurs Theory Evidence They’d been around too long and just ran out of ways to evolve. The dinosaurs were a group of organisms that lasted around 180 million years‚ evidence suggests that these organisms ran out of ways to evolve and as a result could not cope with changing conditions. They were poisoned by the newly evolving plant life which produced chemicals to protect themselves from predation. This theory is plausible as it ties in with the first one‚ as the
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Why is it important to be on time? Why is it important to respect your elders? What are are the dangers of being out late at night past curfew? Being on time shows discipline and it also demonstrates that you are diligent and dependable. Being on time means that you can honor your commitments and be trusted. It’s important to be on time because it shows that you will respect the time of others and yourself. Being late communicates a lot about your character. There’s nothing good that can come from
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In the hit song “We Didn’t Start The Fire” by Billy Joel‚ it states historical events from 1949 to 1989 that impacted the world completely. There are over one hundred topics spoken of in the span of the song‚ including political and entertainment events. Although they are all individual topics‚ some actually relate to others‚ or even lead up to the next. Some of these topics include North Korea‚ South Korea‚ Panmunjom (1949-1952)‚ Malenkov‚ Khrushchev (1953- 1956)‚ Little Rock‚ Ole Miss (1957 and
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In a study conducted by Ratner and Miller (1959) the topic was to demonstrate classical conditioning with earthworms. The subjects of the experiment were 32 earthworms. In this experiment the unconditioned stimulus was the bright light‚ the conditioned stimulus was the vibration‚ the unconditioned response and the conditioned response was the responsiveness. The earthworms were broken down into four groups by random selection. Presented with the light for 2 seconds‚ which overlapped with the conditioned
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