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Test #2
Evidence for Evolution
| Question | Answer |
|---|---|
| How are organisms similar? | They have inherited their traits from a common ancestor |
| What is a theory? | Is a conceptional framework that explains observations and allow us to make predictions |
| Evolution is the theory that unifies what? | Biology |
| What should we consider when we examine the evidence for evolution? | Can the observations be equally explained by the theory of special creation (God) |
| Fossil Examples | Shark Tooth, Trilobite, Extinct giant shark, Fossil Fish |
| Fossil provide what? | Ancestral Evidence |
| Example of Ancestral Evidence | Pelvic bones- provides attachment sites for hind legs |
| Older fossils are less complex than | Younger fossils |
| Younger fossils are more similar to what than older fossils? | Modern fossils |
| Don't see what in old rocks? | New forms |
| Can see changes in some lines of fossils | Gradually in modern forms |
| Would special creation explain these observations? | No, they would say "that is what God says" |
| Observations of fossils help understand... | Evolutionary theory |
| Comparative Morphology | Similar and vestigial structures |
| Homology | Similarity in characteristics resulting from a shared ancestry |
| Examples of vestigial structures | --- |
| Texas Blind Salamander | They are blind b/c they live in the dark |
| Vampire Bats | Molars |
| Whales and snakes | Pelvic bones |
| Calves | Wisdom teeth |
| Vestigial structures evolved from... | Ancestors |
| Developmental Similarities | Humpback Whale and Dolphins (hind legs) |
| All living organisms have what? | DNA, ribosomes to make protein, and genetic code |
| How is phylogeny developed? | Morphology data |
| Cytochrome C is an important enzyme of what? | Energy Metabolism |
| Organisms in a similar area are closely related to other organisms. Why? | B/c they are evolved from common ancestors in that area |
| Darwin reasons that Galapagos mockingbirds differ b/c... | They share a common ancestor |
| Selective Breeding (Artificial Selection) | Great Dane, Poodles, and Golden Retriever |
| Detailed example of evolution in nature | Darwin's medium ground finch |
| What is disease | A condition in which body health is impaired |
| What causes communicable disease (bacteria)? | Transfer from one person to another |
| How do our bodies fight diseases? | Immune system produces cells that kills foreign invaders |
| What do we do medically to fight infections? | A variety of drugs and antibiotics |
| What are antibiotics? | Chemical that kill bacteria, NOT viruses. |
| Types of antibiotics | Penicillin |
| If a mutation protects the infected cell from antibiotic, what happens? | The antibiotic does not kill the cells, they spread |
| Is antibiotic resistance a public health problem? | Yes |
| What can we do? | Use antibiotics less frequently, us not for viral infections, and finish the prescription |
| Long-term goals for antibiotics | Develop new antibiotics and vaccines |
Created by:
animalsavior
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