Review for Lab Quiz 1 BIO 201: Botany. Lab 1 - Taxonomic Keys Typically use the dichotomous format...

Review for Lab Quiz 1

BIO 201: Botany

Lab 1 - Taxonomic Keys

Typically use the dichotomous format• Two parallel statements• Make a choice of one over the other

With six petals …..With eight petals …..

• Leads to another set of paired statements

Example Taxonomic Key to Shrubs

1. Leaves scale like, very small (1-2 mm wide) . . . . . . . . Juniper1. Leaves large (10 mm or more wide) and flat . . . . . . . . . . . . . 2

2. Leaves alternate on stems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32. Leaves opposite on stems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3. Leaf margins with thorns . . . . . . . . . . . . . . . . . . . . . . . . . Holly3. Leaf margins smooth . . . . . . . . . . . . . . . . . . . . . . Crape Myrtle

4. Leaf surface waxy, smooth . . . . . . . . . . . . . . . . . . . . . Aucuba4. Leaf surface hairy . . . . . . . . . . . . . . . . . . . . . . . . Beauty Berry

1 - Taxonomic Keys

• Need to know your audience* use terms they will know

• Don’t use relative terms* large, small

• Use absolute terms* 10-15 cm long

Getting started

• Look at what you have and notice differences* write down 3-5 features that vary

• Group similar things together• Think of ways to split object into two groups

(groups do not need to be of equal size)• Split remaining objects into two groups again• Start key with a diagrammatic flow chart

2 - Angiosperm Reproduction

• Reproductive structure = flower- sepals- petals- stamen- carpel

Anther development

http://www.google.com/url?sa=i&source=images&cd=&cad=rja&docid=tyEsKM2vFupBTM&tbnid=R3UKBHRF1l3uaM:&ved=&url=http%3A%2F%2Ffaculty.clintoncc.suny.edu%2Ffaculty%2Fmichael.gregory%2Ffiles%2Fbio%2520102%2Fbio%2520102%2520lectures%2Fseed%2520plants%2Fseed%2520plants.htm&ei=pelBUuezBInC9QS8n4DADA&psig=AFQjCNEuIxwK73pcToSqKROlEDlhX9JIoQ&ust=1380137765150245

Anther development

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=34nc_TDSUeBjRM&tbnid=wh1eGMdJJNN-nM:&ved=0CAUQjRw&url=http%3A%2F%2Fhighered.mcgraw-hill.com%2Folcweb%2Fcgi%2Fpluginpop.cgi%3Fit%3Djpg%3A%3A640%3A%3A480%3A%3A%2Fsites%2Fdl%2Ffree%2F0072528400%2F239576%2F381.jpg%3A%3ALily%2520anther%2520cross%2520section&ei=2ulBUverJ4yc8wTQl4Ag&bvm=bv.52434380,d.eWU&psig=AFQjCNHoYfIGvOoyvbXNVt-ABCf3kmOHBg&ust=1380137809568782

Pollen tubes

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=dTaR7Fs-ru8QCM&tbnid=wgUaWQL7TDyXmM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.vcbio.science.ru.nl%2Fen%2Fimage-gallery%2Fshow%2Flabels%2FPL0041%2F&ei=IepBUsaeApOI9gSXrICwBA&bvm=bv.52434380,d.eWU&psig=AFQjCNHgOevPsoq-dMtvBBGEpUYSCHd3JA&ust=1380137858066317

Ovary

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=5xPrUcOyJqfoVM&tbnid=gdwSElEVXGmfsM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww2.estrellamountain.edu%2Ffaculty%2Ffarabee%2FBIOBK%2Fbiobookflowersii.html&ei=WOpBUuKrJISS9gSq-4DADA&bvm=bv.52434380,d.eWU&psig=AFQjCNGu6OFMLPSvZbmfiuzmjfKkTRflxQ&ust=1380137920066929

Ovary

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=mhlb5D0QJhvb9M&tbnid=aNgXzu4hl1oHbM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.art.com%2Fproducts%2Fp14440319001-sa-i6708712%2Fdavid-phillips-cross-section-of-a-lily-ovary-with-ovules-lilium-lm-x20.htm&ei=d-pBUuKkConS8wTlkIEI&bvm=bv.52434380,d.eWU&psig=AFQjCNGu6OFMLPSvZbmfiuzmjfKkTRflxQ&ust=1380137920066929

Seeds

Lab 3 - Fruits

• General fruit names - four categories1. Number ovaries/flowers

(single, aggregate, multiple)2. Parts other than ovary (simple, accessory)3. Fleshiness (fleshy, dry)4. Dehiscence

(dehiscent, indehiscent)

Fruits

• Each fruit then grouped by it’s four words.

http://www.google.com/url?sa=i&source=images&cd=&cad=rja&docid=S8RvM7SB2bJIxM&tbnid=XF3SAshFdpgxgM:&ved=&url=http://www.birdsong-peanuts.com/&ei=udxAUr2VPITo9gSProBI&psig=AFQjCNHAhtSKv18m9RoZgTvcJnsjonqm7Q&ust=1380068922104739

Fruits

• Also categorize by specific fruit name (usually 1-2 words)Examples:capsule, nut, berry, false berry, legume

Fruit components

• Pericarp, seed, endosperm, embryo

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=FI2I_0NrEeXP_M&tbnid=WvGtgb1WugXxIM:&ved=0CAUQjRw&url=http://www.internationalcoconut.com/&ei=191AUonJN4Wm9ASu-IH4BA&bvm=bv.52434380,d.eWU&psig=AFQjCNGexgapNwdQUwhSdCeC8UuRzwU0Jg&ust=1380069204337271

Lab 4 - Algae

• Morphological forms:unicellular, filamentous, colonial, thallose

http://www.bch.umontreal.ca/protists/chlamy/summary.html

Ectocarpus

• Division• Growth form

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=QdPHTfV2NHZGnM&tbnid=46AIPnTUoMY-jM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.research.kobe-u.ac.jp%2Frcis-ku-macc%2Fj.p.folder%2Fdet.folder%2Fectocarpus.html&ei=duxBUtfmOZSI9gTXuoCQCQ&bvm=bv.52434380,d.eWU&psig=AFQjCNExz3U7YtVewc00fSWP4w3RAP9cnA&ust=1380138473778762

Spirogyra - vegetative

• Filamentous• Chloroplast• Cell wall• Pyrenoid

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=2S_87b-Mbqz14M&tbnid=3Nz0G7UsVYjJYM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.power-chemicals.com%2Fbio%2Fspirogyra.htm&ei=Ie1BUuamHYqM9ATn0YCwDQ&bvm=bv.52434380,d.eWU&psig=AFQjCNFL2GzG3UdKndUX06U3h3ulsZofcw&ust=1380138650446037

Spirogyra – conjugation

• Gamete type• Life cycle• Dark green

circles• Connection

between cells

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=6BZ_M-oT_HGARM&tbnid=9Y1WAAl0eXzShM:&ved=0CAUQjRw&url=http%3A%2F%2Ffaculty.clintoncc.suny.edu%2Ffaculty%2Fmichael.gregory%2Ffiles%2Fbio%2520102%2Fbio%2520102%2520lectures%2Fprotists%2Fprotists.htm&ei=VO1BUsvFAYeE9QS2jYHABA&bvm=bv.52434380,d.eWU&psig=AFQjCNFL2GzG3UdKndUX06U3h3ulsZofcw&ust=1380138650446037

Fucus

• Division• Growth form• Oval structures

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=nx9G3Vv-NYm2tM&tbnid=kqsE0P5pOGhReM:&ved=0CAUQjRw&url=http%3A%2F%2Fs1039.photobucket.com%2Fuser%2Ffresnobiology1b%2Fmedia%2FLab%25202%2FLab2-fucus.jpg.html&ei=He5BUqW7Mo7O9ATUv4HoDQ&bvm=bv.52434380,d.eWU&psig=AFQjCNFrDVnNVRJa8tpLdMxkfJEMdhdlng&ust=1380138904725228

Fucus reproduction

• Sphericaltips?

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=bxN6eTpL3dDz8M&tbnid=CnBXaAPNNjlp7M:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.seaweed.ie%2Fdescriptions%2FFucus_spiralis.php&ei=S-5BUtfwGY3s8gSPyYGgCQ&bvm=bv.52434380,d.eWU&psig=AFQjCNFrDVnNVRJa8tpLdMxkfJEMdhdlng&ust=1380138904725228

Fucus reproduction

• Male vs female?

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=iTrOMMO_lBYRoM&tbnid=25VCFg_jkXUGFM:&ved=0CAUQjRw&url=http%3A%2F%2Fuserwww.sfsu.edu%2Fbiol240%2Flabs%2Flab_09algae%2Fpages%2Ffucus.html&ei=bO5BUt-DHZLI9gS5gIHAAw&bvm=bv.52434380,d.eWU&psig=AFQjCNFrDVnNVRJa8tpLdMxkfJEMdhdlng&ust=1380138904725228

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=nqCh3__42ggbjM&tbnid=t-xV-yepi-BPXM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.skidmore.edu%2Facademics%2Fbiology%2Fplant_bio%2Flab8-ALGAE.html&ei=k-5BUtOkKpCA9gTylYCYAQ&bvm=bv.52434380,d.eWU&psig=AFQjCNFrDVnNVRJa8tpLdMxkfJEMdhdlng&ust=1380138904725228

Review for Lab Quiz 1 BIO 201: Botany. Lab 1 - Taxonomic Keys Typically use the dichotomous format...

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