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15 Cards in this Set

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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
Coma
One reason why humans and other animals have been successful is because of their _________ body plan
Bilateral
The swedish botanist Carolus Linnaeus invented the classification system that is used by modern biologists, which relies on _________ traits to distinguish among species
Morphological
These proteins which act like cellular "glue" to hold cells together is called
collagen
This protein was first used by the group of animals know scientifically as _______
Porifera
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
Cell differentiation
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 __________
Actin , Myosin
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
Nerve cells
Most marine flatworms produce both eggs and sperm, a condition known as
Hermaphroditissm
What is the most frequent cause of a coma and what happens to induce the coma?
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What happens if the brain is not supplied with blood?
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How does a bilateral body plan help humans
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Explain what is involved in a muscle contaction
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Explain what is involved in a muscle contracion
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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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