Question 1

Which is NOT an adaptation for cotton growing in the state of Texas in the United States?

Accepted Answer

A)  C4 pathway photosynthesis 
B)  an earlier planting date 
C)  the use of cytokinin 
D)  RuBisCO variations 
A)  C4 pathway photosynthesis 
B)  an earlier planting date 
C)  the use of cytokinin 
D)  RuBisCO variations A

Question 2

Explain negative feedback with an example.

Accepted Answer

Negative feedback is a mechanism by which a system returns to the original or desired state. For example, as an organism begins to cool, its body may begin shivering to produce additional heat.

Question 3

The attraction between water molecules causes

Accepted Answer

A)  root pressure. 
B)  xylem. 
C)  tension. 
D)  cohesion. 
A)  root pressure. 
B)  xylem. 
C)  tension. 
D)  cohesion. D

Question 4

How are independent variables used in scientific experiments? What is an example of an independent variable and a related experiment?

Accepted Answer

Independent variables are believed to ca

Question 5

A nominal variable is also known as

Accepted Answer

A)  dependent. 
B)  independent. 
C)  categorical. 
D)  continuous. 
A)  dependent. 
B)  independent. 
C)  categorical. 
D)  continuous.

Question 6

What characteristic of an organism would increase the energy required to maintain its temperature?

Accepted Answer

A)  high thermal inertia 
B)  low surface area 
C)  a large temperature difference 
D)  a thick boundary layer 
A)  high thermal inertia 
B)  low surface area 
C)  a large temperature difference 
D)  a thick boundary layer

Question 7

Explain the similarities and differences between the C4 pathway and CAM pathway for photosynthesis.

Accepted Answer

Both methods reduce the water loss of th

Question 8

Which compound is NOT used to store energy in photosynthesis?

Accepted Answer

A)  ATP 
B)  NADPH 
C)  PEP 
D)  OAA 
A)  ATP 
B)  NADPH 
C)  PEP 
D)  OAA

Question 9

How does size affect heat exchange in animals?

Accepted Answer

Because a large animal will have a lower

Question 10

Which is NOT an adaptation by camels to low water availability?

Accepted Answer

A)  The ability to store excess water. 
B)  High surface-area-to-volume ratio. 
C)  Increased tolerance for high body temperature. 
D)  Increased cooling of the blood for the brain. 
A)  The ability to store excess water. 
B)  High surface-area-to-volume ratio. 
C)  Increased tolerance for high body temperature. 
D)  Increased cooling of the blood for the brain.

Question 11

Which soil has the largest particles?

Accepted Answer

A)  clay 
B)  sand 
C)  loam 
D)  silt 
A)  clay 
B)  sand 
C)  loam 
D)  silt

Question 12

Which heat transfer method occurs with contact?

Accepted Answer

A)  convection 
B)  evaporation 
C)  radiation 
D)  conduction 
A)  convection 
B)  evaporation 
C)  radiation 
D)  conduction

Question 13

Which photosynthesis method is best suited to warm, dry environments?
I. C3 fixation
II. C4 fixation
III. CAM (crassulacean acid metabolism)

Accepted Answer

A)  I only 
B)  I and II only 
C)  II only 
D)  II and III only 
E)  III only 
A)  I only 
B)  I and II only 
C)  II only 
D)  II and III only 
E)  III only

Question 14

Carbon-3 photosynthesis

Accepted Answer

A)  is the most common form of photosynthesis. 
B)  uses malic acid during the Calvin cycle. 
C)  does not require RuBisCO. 
D)  is common in succulent plants. 
A)  is the most common form of photosynthesis. 
B)  uses malic acid during the Calvin cycle. 
C)  does not require RuBisCO. 
D)  is common in succulent plants.

Question 15

Explain the benefits and costs of increased transpiration in cotton.

Accepted Answer

Increased transpiration increases evapor

Question 16

Which is NOT used by animals to remove excess nitrogen?

Accepted Answer

A)  urea 
B)  ammonia 
C)  uric acid 
D)  nitrite 
A)  urea 
B)  ammonia 
C)  uric acid 
D)  nitrite

Question 17

Explain how the C4 pathway reduces reliance on water.

Accepted Answer

The enzyme PEP can bind carbon dioxide a

Question 18

Explain why loam is good for agriculture.

Accepted Answer

Loam contains a mix of sand, silt, and c

Question 19

How can soil type affect salinization?

Accepted Answer

Salinization is caused by repeated low a

Question 20

Accessory pigments in photosynthesis include

Accepted Answer

A)  carotenoids. 
B)  stroma. 
C)  thylakoids. 
D)  chlorophyll 
A)  carotenoids. 
B)  stroma. 
C)  thylakoids. 
D)  chlorophyll

Exam 3: Adaptations to Terrestrial Environments

Which is NOT an adaptation for cotton growing in the state of Texas in the United States?

Explain negative feedback with an example.

The attraction between water molecules causes

How are independent variables used in scientific experiments? What is an example of an independent variable and a related experiment?

A nominal variable is also known as

What characteristic of an organism would increase the energy required to maintain its temperature?

Explain the similarities and differences between the C4 pathway and CAM pathway for photosynthesis.

Which compound is NOT used to store energy in photosynthesis?

How does size affect heat exchange in animals?

Which is NOT an adaptation by camels to low water availability?

Which soil has the largest particles?

Which heat transfer method occurs with contact?

Which photosynthesis method is best suited to warm, dry environments? I. C3 fixation II. C4 fixation III. CAM (crassulacean acid metabolism)

Carbon-3 photosynthesis

Explain the benefits and costs of increased transpiration in cotton.

Which is NOT used by animals to remove excess nitrogen?

Explain how the C4 pathway reduces reliance on water.

Explain why loam is good for agriculture.

How can soil type affect salinization?

Accessory pigments in photosynthesis include

Introduction: Ecology, Evolution, and the Scientific Method

Adaptations to Aquatic Environments

Adaptations to Variable Environments

Climates and Soils

Terrestrial and Aquatic Biomes

Evolution and Adaptation

Life Histories

Reproductive Strategies

Social Behaviours

Population Distributions

Population Growth and Regulation

Population Dynamics Over Space and Time

Predation and Herbivory

Parasitism and Infectious Diseases

Competition

Community Structure

Community Succession

Movement of Energy in Ecosystems

Movement of Elements in Ecosystems

Landscape Ecology, Biogeography, and Global Biodiversity

Global Conservation of Biodiversity

Filters

Explain the similarities and differences between the C₄ pathway and CAM pathway for photosynthesis.

Which photosynthesis method is best suited to warm, dry environments? I. C₃fixation II. C₄ fixation III. CAM (crassulacean acid metabolism)

Explain how the C₄ pathway reduces reliance on water.