Nameperiod

date

Succession Activity

Directions:Carefullycutoutthecardsforeachexampleofsuccession.Onlycutoutthesixtoeightcardsfor eachtypeatonetime.Matchthepicturetothedescriptionandplacetheminthecorrectorderfrom beginningtoclimaxcommunity.Gluethemdownhere.Placethepictureonthetoprowandthe descriptionsunderneath.

POND SUCCESSION
1 / 2 / 3 / 4
GRASSLAND SUCCESSION
1 / 2 / 3 / 4
FOREST SUCCESSION
1 / 2 / 3 / 4
DESERT SUCCESSION
1 / 2 / 3 / 4

33.Labeleachtypeofsuccessionasprimaryorsecondary

pondforest

desertgrassland

34WhichofthefollowingsequenceMOSTlikelyrepresentsecologicalsuccessiononarecently abandoned wheatfield?

Agrasses→floweringplants→shrubs→nativetrees Bnativetrees→shrubs→floweringplants→grasses Cshrubs→grasses→nativetrees→floweringplants Dfloweringplants→nativetrees→shrubs→grasses

35Whatistherelationshipbetweenecologicalsuccessionandequilibriuminanecosystem?

AEcologicalsuccessionhelpsmaintainequilibriuminanecosystem.

BEcologicalsuccessionpreventsecosystemsfromeverreachingequilibrium.

CThereisnorelationshipbetweenecologicalsuccessionandequilibrium.

DEcologicalsuccessionandequilibriumarethesamething.

36The appearance of small plants with rapidlyspreadingrootsonnewlyformed coastalsanddunesdescribes-

Aamicrohabitat.

Bprimarysuccession.

Csecondarysuccession.

Dbiodiversity.

37Why does secondary successionoccur fasterthanprimarysuccession?

Afewerchangesmustoccurinsecondary succession

Btherearemorepioneerspeciesin secondarysuccession

C the environmental conditions are more extreme in primary succession

Dtherearemoretrophiclevelsin secondarysuccession

Grasses and other small landplantsbegintogrow ondryedges;moresoil; smalllandanimals,such as mice, rabbits, etc… moveintothearea. / Greater variety of plants; larger sized plants growing; layer of sediments thicker due to build up of dead organisms and soil washed into the pond. / Youngpond;fewplants; small size; a variety of smallorganismspresent; bottomofpondhaslittle sediment(soilistheblack layer). / Pondcompletelyfilledin; bushes shade out the grass;treesovergrowthe bushes; larger land animals present such as deer,squirrels,etc…
/ lichens / bare rock /
Aslichenscreatecracksin the rock, mosses and weeds begin to grow helping to create more soil. / Once soil is formed, weeds, grasses and small shrubs can take root.
Smallanimalswillbegin tocomeintotheareaas well. / The glacier scrapes the earth as it moves by.
Afteritmelts,itleaves bare rockbehind. / After about a year, lichensbegintogrowon the rocks. The lichens begintochemicallybreak therockdownintosoil.
Weedsbegintogrowin therichlyfertilizedsoil. Insectsandothersmall organisms make their waybacktotheareas. / A fire comes through a forested area and burns up all of the plant life.
Whatremainsissoiland ash.Theashfertilizesthe soil. / Trees grow in and the forest can now support more organisms and larger animals. / Grasses and small shrubs start to grow in. Small mammals and ground birds come back.
The shrubs become mature and certain cacti become very tall.
Medium size mammals move in and birds begin creating holes in the cacti to nest in. / verysmallweedsand cacti begin to grow. insectsmaybeginto movein / smallshrubsmoveinand some of the cacti grow taller or larger. Small mammalsandsomebirds movein. / Aflashfloodsweeps through a desert community leaving nothingbutthebare sand.