LIFESCI 7B Lecture Notes - Lecture 7: Amniote, Chondrichthyes, Limb Development
11 Aug 2018
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Key traits in animals complex multi cells lack hetewtwphy cellular ity cell halls have can"t. Produce its an own get carbon from other organisms extensive extracellular matrix food like antotwphs can ingest food. C rather than absorbing it ) motility move under their own. K bilateral symmetry cephalitation concentration of nervous system components at one end of the body arose in biatenans allows for more complex animals puts most neurons in front where animal most often encounters new things exoskeletons synapo. Cinsects mostly jaws limb made of chitin protection from injury and dedication c on land. Provide structural support for muscle attachment grow by molting cap. Tiktaalik is in the totmpods most recent fossil to till the gap of transition from a fish like ancestor to tetra. Pods internal fertilization reptiles to other vertebrates fertilize internally amphibians exhibit internal k external prevents eggs from drying out.
