Ecology Test 2 Review

1
Ecology Test 2 Review

• Topics on this test include
• food chains
• food webs
• energy pyramids
• photosynthesis
• cellular respiration
• thermal vents
• - carnivorous plants

2
In this powerpoint game

• Fill in the blanks random order
• (followed by some extra questions)

3

• A _______________ breaks down dead organisms and
  returns the nutrients to the soil

4

• Answer decomposer

5

• The trophic level that has the most energy
  is________

6

• Answer Trophic level 1
• (energy decreases as you increase in trophic
  level AND trophic level 1 get 100
  of energy from the sun or organic chemicals)

7

• DDT was banned from the United States in ________
  (year)

8

• Answer 1972

9

• Glucose and Oxygen are the products in process of
  _____________ .

10

• Answer Photosynthesis

11

• A _____________ feeds on dead organisms.

12

• Answer scavenger

13

• _______ is a pesticide that was banned in 1972 in
  the United States because it harms organisms at
  the top of the food chain and kills bird eggs.

14

• Answer DDT

15

• __________ is a waste product of photosynthesis

16

• Answer oxygen

17

• Photosynthesis takes place in the ________ of a
  leaf

18

• Answer chloroplast

19

• __________ is the substance in the chloroplast
  that captures the sunlight

20

• Answer chlorophyll

21

• _____________ is the process that occurs deep in
  the ocean where there is no sunlight

22

• Answer chemosynthesis

23

• The purpose of photosynthesis is to ____________ .

24

• Answer to create food (glucose)

25

• The purpose of cellular respiration is to
  ____________ .

26

• Answer to create energy, which is in the form of
  ATP (by breaking down glucose)

27

• In a plant, glucose travels through the
  ____________.

28

• Answer phloem

29

• The labels on a food chain for trophic level 2
  are _________ and ______________

30

• Answer primary consumer and herbivore

31

• The producer deep in the ocean that feeds off of
  chemicals from the thermal vents is ____________

32

• Answer bacteria

33

• Only ____ of energy is passed on to each
  successive level on the energy pyramid

34

• Answer 10

35

• _______ of energy is used (for life functions)
  or lost (as heat) in the environment.

36

• Answer 90

37

• _____ provides the energy for the process of
  photosynthesis

38

• Answer sun

39

• ___________ is a green pigment inside the
  chloroplast.

40

• Answer chlorophyll

41

• A(n) _________ consumes both producers and
  consumers

42

• Answer omnivore

43

• The trophic level that has the most organisms is
  level ____

44

• Answer Trophic Level 1 (must support all levels
  above it)

45

• _________ travels through the the xylem in a
  plant

46

• Answer water
• (remember wxyz)

47

• Carbon dioxide enters a plant leaf and oxygen
  exits a plant leaf through the ___________ (name
  of the structure)

48

• Answer stomata (tiny openings in the plant leaf)

49

• A herbivore is only trophic level ________

50

• Answer 2

51

• ___________ go though cellular respiration

52

• Answer ALL living things

53

• Another word for a producer is an _____________

54

• Answer autotroph

55

• Another word for a consumer is a _____________

56

• Answer heterotroph

57

• A______________ is a consumer that eats plants,
  plant-like protists, and some bacteria.

58

• Answer herbivore

59

• _____________ is the type of bacteria that goes
  through photosynthesis.

60

• Answer cyanobacteria

61

• The waste products of cellular respiration are
  __________ and _________.

62

• Answer carbon dioxide and water

63

• The purpose of cellular respiration is to combine
  oxygen and glucose to form _______________.

64

• Answer energy

65

• Glucose is a simple __________.

66

• Answer sugar

67

• The main chemical used by bacteria in
  chemosynthesis is __________________.

68

• Answer hydrogen sulfide

69

• ________________ is the word used when a
  substance builds up in a living thing.

70

• Answer bioaccumulation

71

• DDT goes through ___________________, which is
  when the observed effect is greater at the top of
  the food chain.

72

• Answer biomagnification

73

• In a plant leaf, glucose travels through the
  ________________.

74

• Answer phloem

75

• ____________ is an example of an active
  carnivorous plant.

76

• Answer sundew OR venus fly trap

77

• The sundew use the _________ method to catch
  insects.

78

• Answer flypaper

79

• Carnivorous plants eat insects because their soil
  lacks ___________.

80

• Answer nutrients

81

• A passive carnivorous plant uses __________
  (method) to catch and digest food.

82

• Answer pitfall

83

• Leaves change colors due to the lack of
  ____________.

84

• Answer sunlight

85

• The orange pigment present in a leaf, but hidden
  by the green chlorophyll, is __________.

86

• Answer carotinoid

87

• _____________ is the pigment only produced in
  autumn (in certain trees, under certain
  conditions).

88

• Answer anthocyanins

89

• Leaves fall off of trees in the winter due to
  _____________ which causes the water/sap in the
  leaf to freeze. The leaf forms a layer of cells,
  called the separation layer, and detaches itself
  from the tree.

90

• Answer cold temperatures

91

• _________ trees do NOT lose their leaves in the
  winter.

92

• Answer coniferous (evergreens) such as pines,
  spruces, cedars, and firs

93

• A(n) _____________ is a change in the structure
  or behavior of an organism. The change is slow
  and typically takes many generations before it is
  evident.

94

• Answer adaptation

95

• Yeast, a living organism in the _______________
  kingdom, was used in our lab on cellular
  respiration.

96

• Answer fungi

97

• The type of cellular respiration requiring oxygen
  is ___________ cellular respiration.

98

• Answer aerobic

99

• In the cellular respiration of humans, oxygen
  enters through the mouth/nose and travels down
  the ___________, or windpipe.

100

• Answer trachea

101

• In the cellular respiration of humans, glucose
  (in food) enters through the mouth and travels
  down the ___________ to the stomach.

102

• Answer esophagus

103

• The air sac in the lungs is called
  ______________.

104

• Answer aveoli

105

• In the presence of the gas,
• ______________ ,BTB turns from blue to
  green/yellow.

106

• Answer carbon dioxide

107

• Carbon dioxide, when mixed with water, forms
  __________________.

108

• Answer carbonic acid

109

• _________ (full name) is a ph indicator that
  detects carbon dioxide by changing from blue
  (base) to yellow (acid)

110

• Answer Bromothymol Blue

111

• The two main parts of food are _________ and
  ___________.

112

• Answer nutrients and energy

113

• The part of food that is used up is
  ________________.

114

• Answer energy

115

• The part of food that is returned to the
  environment, such as by decomposers is
  ________________.

116

• Answer nutrients

117

• Deep in the ocean, organisms go
  through_____________, rather than photosynthesis.

118

• Answer chemosynthesis

119

• The producer in a deep-ocean ecosystem is
  ____________.

120

• Answer bacteria

121

• A _____________ always starts a food chain.

122

• Answer producer

123

• Extra Slides
• (not fill-in-the-blank type)

124

• In the following aquatic food chain, give all the
  labels for the stripped bass
• Algae ? zooplankton ? Bass ? Hawk

125

• Answer Trophic Level 3, Secondary consumer, and
  carnivore

126

• In the following aquatic food chain, identify 3
  things you know about the algae
• Algae ? zooplankton ? Bass ? Hawk

127

• Answer Trophic Level 1, Producer, its a type of
  phytoplankton

128

• In the following energy pyramid, calculate the
  amount of energy available for the Hawk if there
  was 92,006 g biomass of algae available

Hawk
Bass
Zooplankton
Algae
129

• Answer 92.006

130

• In the following energy pyramid, calculate the
  biomass of algae needed to support a hawk that
  requires a biomass of 15.73 g

Hawk
Bass
Zooplankton
Algae
131

• Answer 15, 730

132

• Write the equation for photosynthesis

133

• Answer
• CO2  H2O LIGHT ENERGY(SUN) ? C6H12O6  O2
• (reactants) (products)

134

• Which product of photosynthesis is the most
  important?

135

• Answer glucose (its the food for the produce,
  remember producers make their own food)

136

• Write the equation for cellular respiration

137

• Answer
• C6H12O6  O2 ? CO2  H2O ENERGY(ATP)
• (reactants) (products)

138

• Which product is the most important in the
  process of cellular respiration?

139

• Answer energy (its needed to carry out all the
  life functions)