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15 Cards in this Set
- Front
- Back
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A ______ is defined as a period of unconsciousness that lasts over an hour, during which the patient's eyes are closed
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Coma
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One reason why humans and other animals have been successful is because of their _________ body plan
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Bilateral
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The swedish botanist Carolus Linnaeus invented the classification system that is used by modern biologists, which relies on _________ traits to distinguish among species
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Morphological
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These proteins which act like cellular "glue" to hold cells together is called
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collagen
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This protein was first used by the group of animals know scientifically as _______
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Porifera
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Although sponges have no muscle, no neuron, and no brain, they do have specialized cells for eating and moving water. This specialization occurred first in this goup and is know as
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Cell differentiation
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Muscle tissue is the same in all animals, from jelly fish to humans. The two types of proteins which enable muscles to contract are _________ and __________
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Actin , Myosin
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To coordinate the motion of muscles the cnidarians have a simple network of ___________ that allow the muscle fibers to communicate using a combination of electrical impulses and chemical signals
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Nerve cells
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Most marine flatworms produce both eggs and sperm, a condition known as
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Hermaphroditissm
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What is the most frequent cause of a coma and what happens to induce the coma?
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Look at study guide
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What happens if the brain is not supplied with blood?
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Look at study guide
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How does a bilateral body plan help humans
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Look at study guide
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Explain what is involved in a muscle contaction
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Look at study guide
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Explain what is involved in a muscle contracion
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Look at study guide
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Describe the radial body plan. Describe the bilateral plan and what are its advantages? For each body give the first organism that first evolved this body plan. Once the bilateral body plan evolved what advantage did it have for feeding?
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Look at study guide
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