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CMU Bio 229 > Final > Flashcards

Final Flashcards

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Biology 101 flashcards
1
Q

River and Streams are part of the _______ system.

A

Lotic System

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2
Q

most important physical Feature

A

Current

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3
Q

Begining of a stream

A

headwaters

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4
Q

small streams have?

A

cold water and swift currents- not strong current

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5
Q

organic material that falls in water

A

allochthonous

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6
Q

energy that comes from the sun

A

autochthonous

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7
Q

Large Rivers have

A

warm water, slower strong currents

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8
Q

Factors for dune formation

A

Abundant sand
Consistent wind
water level fluctuation
vegetation

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9
Q

Dune types

A

Linear
parabolic
perched

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10
Q

high dunes atop a bluff

A

perched

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11
Q

low dunes, often parallel to shore

A

linear

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12
Q

U shaped depressions in stabilized dunes

A

parabolic

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13
Q

Dune Life Zones

A

Beach
For-dune
Inter-dunal Wetland
Back-dune forest

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14
Q

Dynamic and formidable habitat

A

Beach

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15
Q

Organisms found on beach?

A

s

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16
Q

First linear dune

A

foredune

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17
Q

how is the foredune formed

A

stabilized by plants

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18
Q

Foredune plants

A 
BGP Milk the hare for bberry its poison paccoon you LH Tansy
Beach Grass
Beach pea
Milkweed
Harebell
bearberry
poison ivy
paccoon
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19
Q

Formed by water fluctuations

A

interdunal wetland

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20
Q

Trees of the Backdune forest

A

S.Mich Oak-hickory

N. Mich N.Hardwood & conifer

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21
Q

Threats to the dune

A

Exotic species Baby’s breath & spotted knapweed

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22
Q

More exotics (12)

A 
Eurasian Water Milfoil	
Spiny Waterflea
Rusty Crayfish
Round Goby
Phragmites (Common Reed Grass)
Alewife
Black-grass Rush
Freshwater Jellyfish
Exotic Bur Reed
23
Q

Sea Lamprey

A

Opening of wetland canal
attack lake trout
Weirs catch adults
Chem treat for young

24
Q

Zebra Mussel

A

Bissel Threads
Devastated native clams
Shells are a public heath issue

25
Q

Purple Loosestrife

A

Mechanical Removal

biological control- beetles and weevels

26
Q

Beach Animals

A 
gulls, sanderlings, sandpipers,
and plovers
 flies,
tiger beetles, and other
insects
27
Q

bottom dwelling organisms

A

benthos

28
Q

attach or cling to substrates

A

periphyton

29
Q

small creatures in the water column

A

plankton

30
Q

Plankton autotrophes

A

phytoplankton

31
Q

plankton heterotrophs

A

zooplankton

32
Q

Large swimming organism

A

nekton

33
Q

live at surface…on top or hanging underneath

A

neuston

34
Q

Ponds and Lakes

A

lentic stystem

35
Q

What is Thermal Stratification

A

the temperature density relationship of water produces a pattern of temperature change with a changing depth

36
Q

Summer Stagnation Levels

A

Epilimanion 20-24
Thermocline
Hypolimnion 3-5

37
Q

Dimictic

A

lakes with two to overturns

38
Q

Lake zones

A

Littoral
Limnetic
Profundal

39
Q

Subdivisions of the littoral zone

A

Emergent plant zone
Floating leaf zone
Submergent plant zone

40
Q

Lake Categories

A

Oligotrophic
Mesotrophic
Eutrophic

41
Q

nutrient poor lakes with deep clear & cold waters

A

oligotrophic

42
Q

intermediate in nutrients levels and the amount of productivity

A

Mesotrophice

43
Q

nutrient rich lakes with warm shallow and murky waters

A

Eutrophic

44
Q

5 wetland types

A 
Salt Marsh
Mangrove Swamp
lacustrine
riverine
palustrine
45
Q

Emergents

A

Cattail
blue-flag Iris
Joe pye weed
rushes and reeds

46
Q

Floating plants

A

waterlilies
pondlily
lilypads
duckweed

47
Q

submergents

A

pondweeds

48
Q

Blue Heron colony

A

rookeries

49
Q

monogamy

A

even sex ratio

50
Q

polygamy

A

uneven sex ratio

51
Q

polugyny

A

on male several females

52
Q

polyandry

A

one female many males (spotted sandpiper)

53
Q

Shallow basins of water with shore to shore vegetration

A

Marsh

CMU Bio 229 (13 decks)

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