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23 Cards in this Set
- Front
- Back
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Tissue |
A group of common cells that perform a similar function |
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Organ |
Collection of tissues that carry out a specialized function for the body. |
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Organ System |
Two or more organs that work in a coordinated way to carry out similar functions. |
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Differentiation |
Cell becomes specialized for a specific structure or function |
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Stem Cell |
Cell that divides for long periods of time while remaining undifferentiated |
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Determination |
stem cells become committed to develop into one cell type |
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Thermoregulation |
Process when the body maintains a stable internal body temperature under various conditions |
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Plant |
Multicellular eukaryote that produces its food through photosynthesis |
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Cuticle |
A waxy or fatty and watertight layer on the eternal wall of epidermis cells |
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Stomata |
Pores in the cuticle of a plant through which gas exchange occurs |
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Vascular system |
Collection of specialized tissues that transports minerals from the roots to the leaves, and sugar from the leaves to the roots. |
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lignin |
Hardens cell walls in some vascular tissues |
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Pollen Grain |
The structure that contains the male gametophyte of seed plants |
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Seed |
A plant embryo |
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Collagen |
Three stranded protein that forms strong fibers |
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Homeotic |
Genes that control early development |
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Homeobox |
A DNA sequence within a homeotic gene that regulates early development in animals |
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Vertebrate |
Any animal with a backbone |
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Invertebrate |
Animal with no backbone |
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Bilateral Symmetry |
Two equal halves of a body mirror each other |
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Radial Symmetry |
A body plan in which the animals body is centered around 1 point |
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Deuterostome |
Anus then mouth |
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Protostome |
Mouth then anus |
