glides

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TheGeographicalDistributionofGlidingAnimals

1SoutheastAsiahasauniqueabundanceanddiversityofglidinganimals,flying

squirrels,flyingfrogs,andflyinglizardswithwingsofskinthatenablethemtoglide

uldbetheexplanationforthegreatdiversity

inthisregionandthescarcityofsuchanimalsinothertropicalforests?Gliding

hasgenerallybeenviewedaitherameansofescapingpredators,byallowinganimals

tomovebetweentreeswithoutdescendingtotheground,orasanenergetically

tis

specialaboutSoutheastAsianrainforests?

2Scientis教师业务笔记 tshavepropodvarioustheoriestoexplainthediversityofgliding

sttheorymightbecalledthetall-trees

estsofSoutheastAsiaaretallerthanforestlwheredueto

thedominationofthedipterocarpfamily:afamilyoftall,tropicalhardwood

treescouldallowforlongerglidesandtheopportunitytobuildupspeed

erwindspeedsintall-treeforestsmightalso

contri

argumenthasveralflaws,,glidinganimalsarefoundthroughoutthe

SoutheastAsianregion,eveninrelativelyshort-s梵高介绍 tatureforestsfoundinthenorthern

rangeoftherainfores元宵节用英语怎么说 tinChina,Vietnam,idersalsothrivein

lowcondaryforests,plantations,y,glidinganimalsdonot

tion,manyglidinganimalsbegintheir

glidesfromthemiddleoftreetrunks,notevenascendingtothetopsoftreestotake

off.

3Acondtheory,whichwemightcallthebroken-foresthypothesis,speculates

thatthetoplayeroftheforest—thetreecanopyhasfewerwoodyvinesconnecting

t

result,

addition,thetreecanopyispresumedtobemoreuneveninheightinAsianforests,due

totheprenceofthetalldipterocarptreeswithlowertreesbetweenthem,again

logistswhoworkindifferentregionsoftheworld

obrvetremendouslocalvariationintreeheight,canopystructure,andabundanceof

vines,dependingonthesiteconditionsofsoil,climate,slopeelevation,andlocal

findmanylocationsinSoutheastAsiawherethereareabundant

woodyvinesandnumerousconnectionsbetweentreesandsimilarlymanyAmazonian

forestswithfewwoodyvines.终身学习的重要性

4Afinaltheorydiffersfromtheothersinsuggestingthatitistheprence

ofdipterocarptreesthemlvesthatisdrivingtheevolutionofglidingspecies.■

(A)Accordingtothisview,dipterocarpforestscanbefood-dertsfortheanimals

thatliveinth论文开题 em.■(B)Theanimalslivingindipterocarpforeststhathaveevolved

glidingconsistoftwomainfeedinggro沉默是金作文 ups:leafeatersandcarnivoresthateatsmall

preysuchasinctsandsmallvertebrates.■(C)Forleaf-eatinggliderstheproblem

isnottheabnceofanyleavesbutthedert-likeabnceofedible

ocarptreesoftenaccountfor50percentormoreofthetotalnumber

ofcanopytreesinaforestandover95percentofthelargetrees,yetdipterocarp

leavesareunavailabletomostvertebrateplanteatersbecauofthehigh

concentrationoftoxicchemicalsintheirleaves.■(D)Manyspeciesofglidinganimals

avoideatingdipterocarpleavesandsomusttravelwidelythroughthe

forest,bypassingthedipterocarptrees,

glidingisamoreefficientmanneroftravelingbetweentreesthandescendingtothe

groundandwalkingoreljumpingbetweentrees.

5Manycarnivorousanimalsalsomayneedtoarchmorewidelyforfooddueto

caudbydipterocarps’

irregularfloweringandfruitingcycles年会邀请函 oftwo-toven-yearintervals,causinga

scarcityoftheflowers,fruits,eds,andedlingsthatarethestartingpointof

erabundanceofpreyindipterocarpforestsforcesanimals

suchaslizardsandgeckostomoveb环保图画 etweentreecrownsinarchoffood,withgliding

beingthemostefficientmeans.

托福阅读TPO38Part3题目

(第1段)ingtoparagraph1,whatquestionaboutglidingspeciesare

rearcherstryingtoanswer?

A)Whyittookmillionsof多肉的 yearsforglidinganimalstoevolveinthetropical

forestsofSoutheastAsia

B)Whyglidinganimals,thoughrareinmosttropicalforests,haveevolvedinso

manydifferentfamiliesinSoutheastAsia

C)WhyglidinganimalvolvedinmanytropicalforestsinSoutheastAsiabefore

theyevolvedinanyofthetropicalforestlwhereintheworld

D)Whyglidinganimalvolvedonlyintropicalrainforests

(第1段)ingtoparagraph1,itisgenerallythoughtthattheabilityto

glideisufultoforest-dwellingspeciesbecaugliding

A)allowsthemtoadapttoawidevarietyofforestconditions

B)eliminatestheneedtotravellongdistancesinarchoffood