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Term
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Definition
1. Protoplasmic- unicellular orgs
2.Cellular level- differentiated cells
3. Cell-tissue level- definite patterns/layers becoming a tissue to form a common function (jellies)
4. Tissue-organ level- tissues into organs. flatworms
5. Organ system level- organs work together for body functions. some worms with complete digestive system. arthropods and annelids |
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Definition
| chief functional cells of an organ |
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| The supportive tissues in an organ |
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Definition
11:
Skeletal, muscular, integumentary, digestive, respiratory, circulatory, excretory, nervous, endocrine, immune, and reproductive. |
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| far from middle/ closer to middle |
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Definition
1. egg
2. Zygote (cleavage)
3. Blastula
4. Gastrula (2 germ layers) (not sponges) |
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Definition
| planes symmetrical to the polar axis and produce layers of cells. Regulative development- if a blastomere of the early embryo is separated, it can adjust its development into a complete embryo |
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| Cleaves oblique to the axis and produces a quartet of cells that lie in furrows between the cells. Packed tightly. Mosaic development: organ forming determinants in the egg cyoplasm become localized in the egg before the first cleavage division. If blastomeres are separated, they form a defective, partial embryo |
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Definition
| fluid filled cavity in blastula stage. becomes two layered stage called gastrula- leads to gut cavity |
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| blastocoel slightly lined with mesoderm |
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| no coelom. only body cavity is the space inside the gut tube |
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| cavity completely surrounded by mesoderm- "tube within a tube" |
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Definition
1. Blastopore becomes mouth
2. Spiral Cleavage
3. Coelom forms by splitting
4. Mosaic embryo |
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Term
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Definition
1. Blastopore becomes anus
2. Radial cleavage
3. Coelom forms by outpocketing
4. Regulative embryo |
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Term
1.Ecdysozoa
2. Lophotrochozoa |
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Definition
Protostome Subgroups
1. Ecdysozoa molt their cuticles
2. Lophotrochozoa are very diverse |
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| derived state- useful in cladistics |
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| similair features and function of a character state evolves separately ie, bird and bat wings |
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Definition
1. Monera
2. Protista
3. Fungi
4. Animals
5. Plants |
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Term
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Definition
1. Eucarya
2. Bacteria
3. Archae
* eucarya and bacteria are monera |
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