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BSC 109 - Module 4

by: Mina Lubel

BSC 109 - Module 4 BSC 109

Mina Lubel
GPA 3.25
Introductory Biology for Non-Majors II
Austin Hicks

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About this Document

Here is module 4 for the online biology class taught by Austin Hicks.
Introductory Biology for Non-Majors II
Austin Hicks
Class Notes
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This 2 page Class Notes was uploaded by Mina Lubel on Monday February 16, 2015. The Class Notes belongs to BSC 109 at University of Alabama - Tuscaloosa taught by Austin Hicks in Spring2015. Since its upload, it has received 59 views. For similar materials see Introductory Biology for Non-Majors II in Biology at University of Alabama - Tuscaloosa.


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Date Created: 02/16/15
Module 4 Assignment Name Directions Answer the following questions Submit via Assignments in the Course Tools menu 1 The ground system in a plant is composed of 3 tissues Describe the function of these ground tissues Parenchyma cells they form masses in leaves stems and roots most common carry out basic functions of living such as photosynthesis Collenchyma cells provides support for plant organs allows support on stems celery Sclerenchyma cells a secondary cell that provides strength and rigidity pears 2 Describe the tissuescells of the dermis of a plant in terms of function 0 The dermis is usually covered with a thick waxy layer called the cuticle 0 Trichomes are the fuzzy part on the epidermis 0 Guard cells have stoma between them that minimizes water loss 0 Root hairs keep the plant near the plant in intimate contact with the soil allowing it to absorb water and food 3 Xylem and phloem are the vascular tissues of a plant Describe their function Xylem the plants principle water conducting tissue Phloem the plants principle food conducting tissue 4 What is the main function of leaves Leaves are the main light capturing organs of the plants main area where photosynthesis OCCUI39S 5 Be able to label the following structures on a leaf diagram similar to the one shown below a Upper epidermis V y g Stma Leaf Cross Section b LOWGI epldermls emu fr as exchane uar cells c Palisade mesophyll 39 i 39 l quot 39 d h uer eiermis spongy mesop y waxy eutiele 639 V6111 EIiSEE meshyll f Guard cell g Stomata any meshjrll meshyll htsyntheti I gens vein vascular bunle lwer eiermis alr salsa Er Ea waxyquot EutlElE carbon w dinl de quotWEEquot EnchantedLearningclum 6 Define the following terms a Wood secondary xylem tree stumps b Periderm the plants outer protective covering c Node points on a stem where the buds and leaves and branching twigs originate d Internode blood vessels in plants that carry water hormones and food from node to node e Primary meristem growth zone of unspecialized cells extension of the plant body f Lateral meristem Vascular cambium give ultimately thick accumulations of secondary xylem and phloem cork cambium produces bark 7 Describe transpiration what is it and how does it occur 2319 Transpiration is the process by which water leaves a plant Dry air passes across the leaves and causes water vapor to evaporate out of the stomata The loss of water from the leaves creates a type of suction that draws water up to the stem to the xylem New water enters the plant through the roots to replace the water moving up the stem Descriptbtslocaition lla qsfitf in t Z E l F ES n tof there 7 drate on n v parts are moved through quot quot u e plants Suar createdin the I 9 9 3 E39EFE rt w 1 cut E y 7 AVI water 1s drawn mto the p loem cells from the quot 39 a frotha glmuwlw s p essure to build inside 39 39 Sugar from the phloem e ters the root cells by 39 any mEShFquot I U a 3 v4 Lun EEIE 7 i n I vein VEEEUIEF bunle b K re 4 A l quotI c Cal air 533 d N uar EEiIE 39I caud l l mng tems 39quot y gmap msun and nu 39ents l4 39 r carbon diuxide EnchantedLear ningcom


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