Term
| What are the 5 levels of organization in organisms complexity? |
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Definition
Protoplasmic - unicellular, differentiated by organellles Cellular - functionally differentiated cells, division of labor Cell-tissue - aggregation of similar cells into patterns and layers Tissue-organ - aggregation of tissues into organs. Organs made up of more than one kind of tissue. Organ-system - organs work together.
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Term
| What are the two main cells of an organ? |
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Definition
Parenchmya - functional cells Stroma - supportive tissues
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Term
| What are the three types of animal symmetry? |
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Definition
Spherical - balanced proportions on opposite sides of a median plane. Radial - similar halves, more than two halves passing through a longitudinal axis. Bilateral - divided along a sagittal plance into two mirrored portions.
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Term
| Name the four locating regions and three planes? |
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Definition
Anterior, Posterior Dorsal, Ventral Saggital plane Frontal plane Trasverse plane
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Term
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Definition
Differentiation of the head end. Typically a location of nervous tissue and sense organs in bilateral organisms. Accompanied by polarity. |
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