BIOL 152 9thEdition Lecture 12 Outline of Last Lecture I Why Become Multicellular Part 2 II Multicellularity III Plants vs Animals IV General Requirements Outline of Current Lecture I Progressing Towards Plants II Green Algal Ancestors III Necessary Adaptations for Life on Land Current Lecture I II Progressing Towards Plants Red algae o Multicellular o Photosynthetic Phycoerythrin accessory pigment Blue green light o No flagellated stages passive fertilization every living organism is both a whole unto itself and a part of something larger o The trend towards multicellularity Plasmodial Pseudoplasmodia Colonial and brown algae Simple multicellular Differentiated multicellular So why move out of the water o Limited mineral resources o Life more abundant near shore Rich in nitrates and minerals o Light o CO2 Green Algal Ancestors These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute III Multicellular eukaryotic photosynthetic autotrophs Chloroplasts with chlorophylls a b Cellulose in cell walls o and synthesis Enzymes in peroxisomes Structure of flagellated sperm Details in cell division Necessary Adaptations for Life on Land Drying out Gas exchange Support Conduction Reproduction
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