Term
- heterotrophic- ingestion
- diploid life cycle
- intercellular junctions
- nerve and muscle tissue
- hox genes
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Definition
| 5 traits that classify animal |
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Term
| internal digestion- ingestion |
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Definition
| what is an animals nutritional mode? |
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Term
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Definition
| most abundant protein in animals |
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Term
muscle and nerve cells
adaptation that mostly distinguishes animals |
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Definition
| what specialized cells do animals posses that separate them from other kingdoms? |
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Term
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Definition
| this structure is formed during gastrulation which become the gut |
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Term
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Definition
| what ploidy is anima reproduction |
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Term
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Definition
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Term
| zygote->cleavage->blastula->gastrulation ----------->gastrula |
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Definition
| describe the initial reproductive process following the formation of a zygote |
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Term
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Definition
| succession of mitotic cell divisions with out cell growth in between |
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Term
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Definition
| multicellular hollow ball following cleavage |
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Term
gastrulation
explains why we are not hollow balls |
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Definition
| process of embryonic tissues (that will later become adult body part) during animal development |
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Term
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Definition
| resulting developmental stage following gastrulation |
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Term
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Definition
| sexually immature form of adult that is morphologically different from parent |
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Term
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Definition
| a developmental transformation that turns larva into a juvenile |
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Term
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Definition
| sexually immature but resembles adult form |
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Term
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Definition
| master regulatory genes for anatomy |
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Term
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Definition
| an identical sequence of nucleotides found in all homeotic genes |
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Term
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Definition
| homeobox containing genes in animals that influence morphology |
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Term
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Definition
| set of morphological and developmental traits integrated into a functional whole (the animal itself) |
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Term
radial symmetry
sea anemones- sessile |
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Definition
| symmetry having no back/front or left/right |
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Term
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Definition
| symmetry with 2 axes or orientation |
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Term
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Definition
| refers to the concentration of sensory equipment at the anterior end ("brain") |
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Term
true tissues
sponges lack this |
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Definition
| collections of specialized cells isolated from other tissues by membraneous layers |
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Term
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Definition
| different layers that form various tissues and organs of the body |
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Term
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Definition
| germ layer covering embryo that develops into epidermis, lining of oral cavity and rectum. |
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Term
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Definition
| inner most germ layer that form the lining of digestive and respiratory tracts |
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Term
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Definition
| developing digestive tube that is part of the endoderm germ layer. |
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Term
diploblastic
cnidarians, comb jellies |
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Definition
| condition of only having endoderm and ectoderm germ layers. |
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Term
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Definition
| 3rd germ layer between endoderm and ectoderm |
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Term
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Definition
| germ layer that develops into skeleton, muscle, cardiovascular,excretory and reproductive systems |
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Term
triploblastic
bilateral symmetry |
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Definition
| condition of having 3 germ layers. |
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Term
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Definition
| fluid/air filled space separating digestive tract from outer body |
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Term
coelom
refers to grade not clade |
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Definition
| body cavity that forms from mesoderm layer. it connects the organism dorsally and ventrally. |
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Term
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Definition
| animals with true coelom derived from mesoderm |
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Term
pseudocoelomates
roundworms |
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Definition
| body cavity formed from mesoderm and ectoderm layers. organism is fully functional. |
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Term
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Definition
| lack body cavity altogether |
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Term
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Definition
| planes of cell division are that are diagonal to vertical axis of the embryo |
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Term
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Definition
| in animals with protostome development cleavage determines developmental fate of each embryo very early |
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Term
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Definition
| cleavage plains are parallel or perpendicular to the vertical axis of the embryo |
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Term
indeterminate cleavage
makes identical twins possible |
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Definition
| each cell retains the capacity to develop into a comlete embryo |
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Term
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Definition
| the indentation that forms the archenteron during gastrulation |
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Term
- spiral cleavage
- determinate cleavage
- mesoderm splits to form coelom
- mouth develops first from blastopore
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Definition
| protostome development 4 parts |
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Term
- radial cleavage
- indeterminate cleavage
- mesoderm buds to form coelom
- anus develops first from blastopore
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Definition
| deuterostome development 4 parts |
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Term
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Definition
| this junction fuses the plasma membranes cells to prevent fluid from leaking |
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Term
| desosomes (anchoring junctions) |
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Definition
| this junction functions like rivets, fastening cells together in strong sheet |
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Term
| gap junction (communicating) |
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Definition
| this junction allows cytoplasmic channels between cells. |
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