Question 1

Among the many functions of wetlands is (are)

Accepted Answer

A) providing food and habitats for fish,waterfowl,and wildlife. 
B) purifying water by filtering it and breaking down toxic wastes and nutrients. 
C) absorbing storm and overflow waters. 
D) All of the choices are functions performed by wetlands. 
A) providing food and habitats for fish,waterfowl,and wildlife. 
B) purifying water by filtering it and breaking down toxic wastes and nutrients. 
C) absorbing storm and overflow waters. 
D) All of the choices are functions performed by wetlands.

Question 2

Which biome is characterized by rainfall under 25 cm/year,hot days,cold nights,and quickly blooming plants?

Accepted Answer

A) grasslands 
B) temperate deciduous forest 
C) temperate deserts 
D) taiga 
E) tundra 
A) grasslands 
B) temperate deciduous forest 
C) temperate deserts 
D) taiga 
E) tundra

Question 3

Kansas and Pennsylvania are approximately at the same latitude.Yet why are the potential natural communities in Kansas mostly grassland and in Pennsylvania mostly temperate forest?

Accepted Answer

A) different temperatures 
B) different levels of moisture 
C) different soil texture and pH levels 
D) different vegetation due to different seed banks 
E) different altitudes 
A) different temperatures 
B) different levels of moisture 
C) different soil texture and pH levels 
D) different vegetation due to different seed banks 
E) different altitudes

Question 4

The tropical grassland in Africa is called the

Accepted Answer

A) savanna. 
B) chaparral. 
C) prairie. 
D) taiga. 
E) tundra. 
A) savanna. 
B) chaparral. 
C) prairie. 
D) taiga. 
E) tundra.

Question 5

Which of the following is NOT strictly a freshwater community?

Accepted Answer

A) lakes 
B) rivers 
C) estuaries 
D) streams 
E) ponds 
A) lakes 
B) rivers 
C) estuaries 
D) streams 
E) ponds

Question 6

In the water cycle,evaporated equatorial water that rises and does not immediately rain back down proceeds to

Accepted Answer

A) the poles where it causes snow. 
B) the poles if it does not encounter mountain ranges,which it usually does. 
C) about 60$\circ$ north or south and then cools and condenses,supporting a band of moist vegetation. 
D) about 30$\circ$ north or south and then cools and condenses,supporting a band of moist vegetation. 
A) the poles where it causes snow. 
B) the poles if it does not encounter mountain ranges,which it usually does. 
C) about 60$\circ$ north or south and then cools and condenses,supporting a band of moist vegetation. 
D) about 30$\circ$ north or south and then cools and condenses,supporting a band of moist vegetation.

Question 7

Wetlands are generally classified by their vegetation.Wetlands dominated by trees and shrubs are _______ and wetlands dominated by grasses and sedges are _____.

Accepted Answer

A) marshes; swamps 
B) swamps; marshes 
C) marshes; pine savannas 
D) bogs; swamps 
A) marshes; swamps 
B) swamps; marshes 
C) marshes; pine savannas 
D) bogs; swamps

Question 8

What biome has a mean annual precipitation over 250 cm with relatively little seasonal variation,and warm temperatures over 20$\circ$C?

Accepted Answer

A) tropical dry forest 
B) temperate rainforest 
C) taiga 
D) tropical rainforest 
E) savanna 
A) tropical dry forest 
B) temperate rainforest 
C) taiga 
D) tropical rainforest 
E) savanna

Question 9

Which region of the Earth would have the greatest solar exposure during the Vernal equinox?

Accepted Answer

A) equatorial regions 
B) between 300 and 600 North 
C) between 300 and 600 South 
D) .between 600 north and the north pole 
E) between 600 south and the south pole 
A) equatorial regions 
B) between 300 and 600 North 
C) between 300 and 600 South 
D) .between 600 north and the north pole 
E) between 600 south and the south pole

Question 10

The Gulf Stream

Accepted Answer

A) brings tropical Caribbean water to the east coast of North America and upper Western Europe. 
B) makes local climates uniform so that Great Britain has the same climate as Greenland. 
C) is the major Atlantic Ocean current that warms the eastern coast of South America. 
D) is the source of "El Nino" and is a major fishing ground. 
E) All of the choices are correct. 
A) brings tropical Caribbean water to the east coast of North America and upper Western Europe. 
B) makes local climates uniform so that Great Britain has the same climate as Greenland. 
C) is the major Atlantic Ocean current that warms the eastern coast of South America. 
D) is the source of "El Nino" and is a major fishing ground. 
E) All of the choices are correct.

Question 11

Identify the correct sequence that freshwater will flow through.

Accepted Answer

A) clouds - streams - river - wetlands - delta - ocean 
B) clouds - river - stream - delta - wetlands - ocean 
C) ocean - clouds - stream - estuary - river 
D) cloud - river - stream - delta - marsh - ocean 
E) ocean - delta - estuary - river - stream - marsh 
A) clouds - streams - river - wetlands - delta - ocean 
B) clouds - river - stream - delta - wetlands - ocean 
C) ocean - clouds - stream - estuary - river 
D) cloud - river - stream - delta - marsh - ocean 
E) ocean - delta - estuary - river - stream - marsh

Question 12

What is the correct order of biome distribution starting at the lowest elevation and moving to higher elevations?

Accepted Answer

A) tropical forest - deciduous forest - montane coniferous forest - alpine tundra 
B) tropical forest - deciduous forest - desert - alpine tundra 
C) deciduous forest - montane coniferous forest - tropical forest - alpine tundra 
D) tropical forest - grasslands - montane coniferous forest - deciduous forest 
E) montane coniferous forest - alpine tundra - temperate deciduous forest - savanna 
A) tropical forest - deciduous forest - montane coniferous forest - alpine tundra 
B) tropical forest - deciduous forest - desert - alpine tundra 
C) deciduous forest - montane coniferous forest - tropical forest - alpine tundra 
D) tropical forest - grasslands - montane coniferous forest - deciduous forest 
E) montane coniferous forest - alpine tundra - temperate deciduous forest - savanna

Question 13

Ocean currents

Accepted Answer

A) are generated by friction between winds and ocean surfaces. 
B) always move clockwise in an ocean basin. 
C) are important in shipping but have little effect on living environments. 
D) are driven by the Earth's core rotating faster than the ocean water. 
E) All of the choices are correct. 
A) are generated by friction between winds and ocean surfaces. 
B) always move clockwise in an ocean basin. 
C) are important in shipping but have little effect on living environments. 
D) are driven by the Earth's core rotating faster than the ocean water. 
E) All of the choices are correct.

Question 14

A biome with complex structure,warm weather,plentiful rainfall,and diverse species is a

Accepted Answer

A) tropical rainforest. 
B) savanna. 
C) taiga. 
D) tundra. 
A) tropical rainforest. 
B) savanna. 
C) taiga. 
D) tundra.

Exam 46: Major Ecosystems of the Biosphere

Among the many functions of wetlands is (are)

Which biome is characterized by rainfall under 25 cm/year,hot days,cold nights,and quickly blooming plants?

Kansas and Pennsylvania are approximately at the same latitude.Yet why are the potential natural communities in Kansas mostly grassland and in Pennsylvania mostly temperate forest?

The tropical grassland in Africa is called the

Which of the following is NOT strictly a freshwater community?

In the water cycle,evaporated equatorial water that rises and does not immediately rain back down proceeds to

Wetlands are generally classified by their vegetation.Wetlands dominated by trees and shrubs are _______ and wetlands dominated by grasses and sedges are _____.

What biome has a mean annual precipitation over 250 cm with relatively little seasonal variation,and warm temperatures over 20 ∘\circ∘ C?

Which region of the Earth would have the greatest solar exposure during the Vernal equinox?

The Gulf Stream

Identify the correct sequence that freshwater will flow through.

What is the correct order of biome distribution starting at the lowest elevation and moving to higher elevations?

Ocean currents

A biome with complex structure,warm weather,plentiful rainfall,and diverse species is a

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Conservation of Biodiversity

Filters

Wetlands are generally classified by their vegetation.Wetlands dominated by trees and shrubs are ___ and wetlands dominated by grasses and sedges are _.

What biome has a mean annual precipitation over 250 cm with relatively little seasonal variation,and warm temperatures over 20^$\circ$C? $What biome has a mean annual precipitation over 250 cm with relatively little seasonal variation,and warm temperatures over 20<sup> \circ </sup>C?$