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Tissues and Organs
3/4
| Question | Answer |
|---|---|
| single-celled dependence | independent, do not directly depend on other cells |
| Specialized Cells | cells that perform a specific function |
| Tissues | perform particular, specialized function |
| Four Basic Types (animal) | Epithelial, Connective, Muscle, Nerve |
| Four Basic Types (plant) | Epidermal, Ground, Vascular, Meristematic |
| Organ | organized group of tissues performing complex body function, function as part of organ system (normally), or more than one |
| Cellular Differentiation | start as zygote (fertilized egg), divides to form embryo, and form diverse, specialized cells (directed by gen info in DNA) |
| Stem Cells | may differentiate into different cell types, stem cells occur in clumps that specialize - embryonic: differentiate into any type - adult: differentiate into certain type |
| Ground Tissue in Plants | mesophyll - chloroplast, etc. |
| Meristematic in Plants | - occurs during growth - shoot, root tips, etc. |
| Flower Organs | - petal - pistil (female): stigma, style, ovary, ovule - stigma: most prominent organ - ovary: egg repository - ovules: "eggs" - stamen (male): anther, filament - sepal - receptacle - leaf, stem - vascular bundles: xylem, phloem, cambium |
| Rhizome | secondary plant system growing hiorizontally above soil surface |
| Root Tubers | absorb water, minerals, make available to rest of plant |
| Mycorrhizae | pockets for bacteria/fungi |
| Shoot System | Stem (central structure, holds + connects organs), Leaves (attach via petioles), Flower (reproductive organ) |
| Epithelial | - lines body cavities + outer surfaces - protects structures - forms glands producing hormones, enzymes, sweat |
| Connective | - supports + protects structures - forms blood - stores fat - fills empty spaaces |
| Muscle | - movement |
| Nerve | - responds to stimuli - transmits + stores info |
| Meristematic | - unspecialized, capable of dividing by mitosis - several locations in plant - responsible for growing new parts of plants |
| Epithelial | - protective outer - exchange of materials - gases in/out of plant |
| Ground | - stem: strength, support - roots: food, water - leaves: photosynthesis |
| Vascular | - substances from roots to leaves - sugars from leaves to other parts of plants |
Created by:
spock!
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