Friday March 19

Friday March 19 - Which of the following is not in the same...

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Which of the following is not in the same lineage (clade) as the others? 1. Lizards 2. Birds 3. Dinosaurs 4. Crocodilians Which of the following is incorrectly paried with its gas exchange mechanism(s)? 1. Amphibians – skin and lungs 2. Lungfishes – gills and lungs 3. Bony fishes – swim bladder 4. Reptiles – Lungs Leaves The leaf is the main photosynthetic organ of most vascular plants Consist of: - A flatten ed blade - The petiole, which joins the leaf to a nod e of the ste m - Figure 35.2 Simple vs. Compound Leaves Simple leaf: a single, undivided blade - Som e m ay have de ep lobes Compound leaf: blad e consists of m ultiple leaflets Doubly co mpound leaf: e ach leaflet is divided into s m aller leaflets The Three Tissue Syste ms: Derm al, Vascular, and Ground Derm al: consist of the epidermis and periderm Vascular: Carries out transport of m at erials b etwe en roots a nd shoots - Xylem: conveys water a nd minerals up from roots - Phloe m: transports organic nutrients from sources to sinks
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This note was uploaded on 03/27/2010 for the course BIOL 1202 taught by Professor Gregg during the Spring '08 term at LSU.

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Friday March 19 - Which of the following is not in the same...

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