Question 1

Why do plants dominate and define communities on land?

Accepted Answer

Since plants cannot escape fro

Question 2

The highest biodiversity is found in temperate deciduous forests. True or False?

Accepted Answer

A) True 
 B)False

Question 3

Oligotrophic lakes:

Accepted Answer

A) support dense plant communities. 
B) depend on sulfur bacteria as the primary producers. 
C) have low levels of nutrients and few organisms. 
D) remove nutrient-rich sediments from field runoff. 
E) provide breeding grounds for many fish and crustacean species. 
A) support dense plant communities. 
B) depend on sulfur bacteria as the primary producers. 
C) have low levels of nutrients and few organisms. 
D) remove nutrient-rich sediments from field runoff. 
E) provide breeding grounds for many fish and crustacean species.

Question 4

The profundal zone is home to organisms that are:

Accepted Answer

A) photosynthetic. 
B) decomposers and detritus feeders. 
C) eutrophic. 
D) intertidal. 
E) adapted to high levels of light. 
A) photosynthetic. 
B) decomposers and detritus feeders. 
C) eutrophic. 
D) intertidal. 
E) adapted to high levels of light.

Question 5

Explain why it would probably be a money-losing venture to establish a plantation to grow corn in an area that used to be tropical rain forest.

Accepted Answer

The soil is infertile because the nutrie

Question 6

The taiga is characterized by:

Accepted Answer

A) dry soils that lack vegetation. 
B) tall grasses. 
C) fire-adapted plants. 
D) long cold winters, short growing seasons, and conifers. 
E) few grasses, moist soils, and trees that drop their leaves in the winter. 
A) dry soils that lack vegetation. 
B) tall grasses. 
C) fire-adapted plants. 
D) long cold winters, short growing seasons, and conifers. 
E) few grasses, moist soils, and trees that drop their leaves in the winter.

Question 7

The primary producers in hydrothermal vent communities are:

Accepted Answer

A) phytoplankton. 
B) sulfur bacteria. 
C) zooplankton. 
D) kelp. 
E) coral. 
A) phytoplankton. 
B) sulfur bacteria. 
C) zooplankton. 
D) kelp. 
E) coral.

Question 8

In hydrothermal vent communities, primary productivity is based on:

Accepted Answer

A) photosynthesis. 
B) herbivory. 
C) detritivores 
D) chemosynthesis. 
E) bacterial decomposition. 
A) photosynthesis. 
B) herbivory. 
C) detritivores 
D) chemosynthesis. 
E) bacterial decomposition.

Question 9

Savannas are tropical regions characterized by scant, seasonal rainfall that supports grasses and a few drought-resistant trees. True or False?

Accepted Answer

A) True 
 B)False

Question 10

In one area is a desert ecosystem and in another area is a tundra. What two fundamental resources differ in the ecosystems of these two areas? Why are these two more important than the other fundamental resources?

Accepted Answer

They ecosystems differ in temp

Question 11

What are the fundamental resources required to support life?

Accepted Answer

A) nutrients, oxygen, sugar, appropriate temperatures 
B) water, nutrients, energy, appropriate temperatures 
C) water, energy, oxygen, nutrients 
D) oxygen, carbon, nitrogen, water 
E) oxygen, water, energy, carbon 
A) nutrients, oxygen, sugar, appropriate temperatures 
B) water, nutrients, energy, appropriate temperatures 
C) water, energy, oxygen, nutrients 
D) oxygen, carbon, nitrogen, water 
E) oxygen, water, energy, carbon

Question 12

Wetlands remove toxins, pesticides, and sediments from water, acting as a natural water purifier. True or False?

Accepted Answer

A) True 
 B)False

Question 13

In what biome do plants tend to be evenly spaced with large, shallow root systems? Why?

Accepted Answer

In deserts, water is very scarce, and in

Question 14

________ are large areas that have similar climate, environmental conditions, and plant communities.

Accepted Answer

The answer of ________ are large areas that have similar...

Question 15

What factors determine the patterns of ocean currents?

Accepted Answer

The patterns are determined by

Question 16

The defining characteristic of a desert is the high temperature. True or False?

Accepted Answer

A) True 
 B)False

Question 17

Explain why climate is the primary factor determining the type of ecosystem in an area.

Accepted Answer

Climate is determined by sunlight, water

Question 18

The weather at the equator is both fairly constant seasonally and quite warm. What physical factors of Earth's position relative to the sun are responsible for these characteristics?

Accepted Answer

At the equator, sunlight hits Earth's su

Question 19

The Atlantic Ocean gyre moderates the climate of the eastern coast of North America by bringing in warm currents from the equator. True or False?

Accepted Answer

A) True 
 B)False

Question 20

Patterns of temperature and precipitation that prevail over years are referred to as weather. True or False?

Accepted Answer

A) True 
 B)False

Exam 29: Earths Diverse Ecosystems

Why do plants dominate and define communities on land?

The highest biodiversity is found in temperate deciduous forests. True or False?

Oligotrophic lakes:

The profundal zone is home to organisms that are:

Explain why it would probably be a money-losing venture to establish a plantation to grow corn in an area that used to be tropical rain forest.

The taiga is characterized by:

The primary producers in hydrothermal vent communities are:

In hydrothermal vent communities, primary productivity is based on:

Savannas are tropical regions characterized by scant, seasonal rainfall that supports grasses and a few drought-resistant trees. True or False?

In one area is a desert ecosystem and in another area is a tundra. What two fundamental resources differ in the ecosystems of these two areas? Why are these two more important than the other fundamental resources?

What are the fundamental resources required to support life?

Wetlands remove toxins, pesticides, and sediments from water, acting as a natural water purifier. True or False?

In what biome do plants tend to be evenly spaced with large, shallow root systems? Why?

________ are large areas that have similar climate, environmental conditions, and plant communities.

What factors determine the patterns of ocean currents?

The defining characteristic of a desert is the high temperature. True or False?

Explain why climate is the primary factor determining the type of ecosystem in an area.

The weather at the equator is both fairly constant seasonally and quite warm. What physical factors of Earth's position relative to the sun are responsible for these characteristics?

The Atlantic Ocean gyre moderates the climate of the eastern coast of North America by bringing in warm currents from the equator. True or False?

Patterns of temperature and precipitation that prevail over years are referred to as weather. True or False?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amidst Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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