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| Anything that isn't a protist, more or less. |
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| embryo grows through 90 degree angles, stacked like blocks |
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| Embryo grows cells closely compact and at diagonal angles. |
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| Mesoderm, Ectoderm, Endoderm (three layers of tissue) |
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| creates either the mouth or anus first in the embryo |
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| Blastopore forms anus before mouth |
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| blastospore forms mouth before anuse |
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| tissue forms between endoderm and ectoderm |
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| (Protostomes) coelom forms when mesoderm SPLITS |
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| (dueterostomes)coelom forms from bits pinched off the digestive track (in embryo) |
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| Mesoderm forms around body cavity. When cut, the guts do not spill out. |
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| Mesoderm fills in the body cavity or "coelom" between the ectoderm and endoderm. |
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| mesoderm is between the coelom or body cavity and the endoderm, when cut the guts spill out. |
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| can be cut into sections like a pie, like jelly fish, sea urchins, and other things. |
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| can be sectioned by right angles, each side is symmetrical (people, not jellyfish) |
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| incomplete digestive tract |
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Definition
| Mouth intakes food and ejects it. no tract running from mouth to anus |
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| tract runs from mouth and exits through anus |
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| vessels and tissues specialization in carrying nutrition throughout the body (blood) |
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| produces a buildup that creates a shell (molluscs) |
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| shedding old exterior (skin on snake) |
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| stinging cells on jellyfish |
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| body broken down into clear parts (vertebrae in spine, lobster segments) |
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| chitonous external skeleton (lobsters, bugs) |
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| (mesoderm) turns into spine |
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Term
| dorsal hollow nerve chord |
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Definition
| hollow modified into the central nervous system (ectoderm) |
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Definition
| water flows through mouth out gills, blood is oxygenated from oxygen in water |
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| compact organs found in all adult amniotes- concentrates urine to conserve water. |
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| filters waste out of blood |
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| process oxygen out of air |
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Definition
| cartilage ossifies into bone |
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| bone forms in dermis, not created by cartilage ossifying, found in turtles tortoises and fish fin |
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| cartilage encases brain in fetus, eventually ossifies into bone |
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| portion of the skull comes from three branchial arcs, forms supporting structure of jaws. |
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| roof of skull/plates on skull/armor on sea turtles |
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| phylum of deuterostomes,have four characteristics that set them apart from other phylums |
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| subphylum of chordata, includes all chordates with vertebrae/spine |
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| Three major mammal groups |
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Definition
monotremes (egg-laying mammals)
marsupials (pouch)
placental mammals (humans) |
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| egg found in terrestrial animals, secretes sac around egg to prevent it from drying. |
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| slits in all non-vertebrate chordates, function is to filter water |
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| tail that forms after your bum. |
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| Name 4 characteristics of Chordates |
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Definition
Post-natal tail-
Notochord- mesoderm
Hollow dorsal nerve chord- ectoderm
pharyngeal slits- |
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| different teeth for different functions |
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| same teeth for same function (in one mouth) |
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