-- SECTION 13,3 rt Dute Peri.orl N*n¡ç ËNFRGY IN ECOSYSTEMS Study Guide KEY GONCEPT Life in an ecosystem requires a source of energy. VOCABULARY producer heterotroph autotroph chemosynthesis consumer IUAIN IDEA: Producers provide energy for other organisms in an ecosystem. Complete the following sentences with the cotrect tenn. autotrnphs eating nonliving consuners heterotrophs producers I are organisms that get their energy flom .d rneaning they make their own food. These organisms are also called 2 e organisms that get These organislns are also called 3" Why are producers so important other organisms. hz to an ecosystem? C G o E ()o .c È €cosu,s¡eno S e Aercrol- c ÍoÕ 5 4. Why is the Srur important to both producers and consumers? = Jr o c .o .g ;lrr- ï) o vl e õ "5 ão) l o ô ¿ o .ql $oo d QfL Vhe ch c. in I n '{4,l efefou-<- in ^n d.c ecosy sFern . ConsvmeT5 àe eñòen\ --__ Sun êor lnei. eneçty G,S orl o o Principles of Ecology Study Guide Book ,t Study well, Guide 131 i, Datc Pcriod Name Section 13.3 STUDY GUIDË CONTINUED MAIN IDEA: Almost all producers obtain energy from sunlight. S. Complete the following Y-diagram to outline the similarities and differetrces befweeo. photosynthesis and chemosyuthesis. Ch em osynthesis ch (e wh reh s .^€ò rn¡ú)s -th.ç----s-ç¿n B ftl oth bo h o Fooå. Gheck Vocabula 6 Word Psrt a Meaning self uto- hetero- other -troph nourishment > o o E ()o Use the above word origins to explain the difference between an autotroph and a heterotroph. 5 a- lefn t T o 7. The preftx photo- means "light" while the O "chemical." How do f these word origins relate to the difflerence between photosynthesis and chemosynthesis? õO) o U o a. What is the difference between a consumer and a producer'? CVìernr cals c '? o o (_) 'îGovrc¿s .Jh;l ø 6 vy 138 study Guide e û-\^ny Or! 4n isrn>. 6 {-ln er- rì{ r 17 O,-"hon-\,ving eneroa ffi" Principles of Ecology Study Guide Book Pcriod Name SECTION 13.3 Dntc ENERGY IN ECOSYSTEMS Power Notes Producers and Consumers Description Also Called Type ìr,rèuur .KWvn non\trl {rÉ0u{(,ç þwSunrrr. Y \*\to\toqh Processes byWhich Producers 0btain Energy c 6 o, E o Photosynthesis Both Chemosynthesis lì ,Ê t f,.r"rntt 5 o.q ço I 0) f o T o ,E J ìo f o ôo @ f Et o o O Unit 5 Besource Book McDougal Littell Biology Power Notes 11