BIOL-1507EL Study Guide - Midterm Guide: Vascular Bundle, Pollen Tube, Ovule
6 Mar 2017
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Photosynthetic cells, contains chloroplasts with chlorophyll a, chlorophyll b, and a variety of yellow and orange carotenoid pigments. Algae - (plant-like protista: chlamybomonas - small in length, rounded cells that move rapidly through water, ancestors of modern algae were found on the shore could be viewed as the first attempt at conquering the land. One of the adaptations is to stay in a fixed place by means of a holdfast. Another is to produce slime to slow down water loss when the tide is out. Ferns the division pterophyta and vary in appearance from low-lying to tree forms: common ferns of the temperate zone have a horizontal stem (rhizome) from which hair like roots and large leaves (fronds) projects. Young fronds grow in a curled-up fiddlehead structure: sporangia (spore forming sacs) develop in groups called sori. The sori are covered by a thin layer of tissue called an indicium.
