Question 1

What was one of the primary results from the Hubbard Brook Watershed Project? ​

Accepted Answer

A) Deforestation increases flooding. 
B) New plant species that absorb less water were discovered. 
C) Pollution gravely affected the water supply. 
D) Primary consumers are the most important part of the energy pyramid. 
E) Trees absorb too much water and are not useful in a watershed area. 
A) Deforestation increases flooding. 
B) New plant species that absorb less water were discovered. 
C) Pollution gravely affected the water supply. 
D) Primary consumers are the most important part of the energy pyramid. 
E) Trees absorb too much water and are not useful in a watershed area.

Question 2

Why is the productivity poor in the deeper parts of the ocean? ​

Accepted Answer

In the deeper parts of the ocean, sunlig

Question 3

In the hydrologic cycle, water moves from the land to the air by ____ and returns to the land via ____. ​

Accepted Answer

A) precipitation; evaporation and transpiration 
B) precipitation and evaporation; transpiration 
C) precipitation and transpiration; evaporation 
D) transpiration; precipitation and evaporation 
E) transpiration and evaporation; precipitation 
A) precipitation; evaporation and transpiration 
B) precipitation and evaporation; transpiration 
C) precipitation and transpiration; evaporation 
D) transpiration; precipitation and evaporation 
E) transpiration and evaporation; precipitation

Question 4

Which factors besides sunlight influence the rate of primary productivity? ​

Accepted Answer

A) temperature and total number of organisms 
B) photosynthesis and availability of nutrients 
C) temperature and availability of water 
D) photosynthesis and availability of water 
E) temperature and photosynthesis 
A) temperature and total number of organisms 
B) photosynthesis and availability of nutrients 
C) temperature and availability of water 
D) photosynthesis and availability of water 
E) temperature and photosynthesis

Question 5

Which class of organisms makes up the detrital food web? ​

Accepted Answer

A) carnivores and decomposers 
B) decomposers and detritivores 
C) decomposers and producers 
D) herbivores and carnivores 
E) producers and herbivores 
A) carnivores and decomposers 
B) decomposers and detritivores 
C) decomposers and producers 
D) herbivores and carnivores 
E) producers and herbivores

Question 6

Why is nitrogen necessary in the human body? ​

Accepted Answer

Nitrogen is required in order

Question 7

Geographically, where is net primary productivity the highest? ​

Accepted Answer

A) at the north pole 
B) at the south pole 
C) between 30o and 60o 
D) in the Northern hemisphere 
E) at the equator 
A) at the north pole 
B) at the south pole 
C) between 30o and 60o 
D) in the Northern hemisphere 
E) at the equator

Question 8

What is the main cause of carbon dioxide build-up in the atmosphere? ​

Accepted Answer

A) burning fossil fuels 
B) deforestation 
C) droughts 
D) flooding 
E) respiration due to overpopulation 
A) burning fossil fuels 
B) deforestation 
C) droughts 
D) flooding 
E) respiration due to overpopulation

Question 9

About how much solar energy is intercepted by Earth every minute? ​

Accepted Answer

A) 9 kcal per square meter 
B) 19 kcal per square meter 
C) 190 kcal per square meter 
D) 19 kcal per square kilometer 
E) 190 kcal per square kilometer 
A) 9 kcal per square meter 
B) 19 kcal per square meter 
C) 190 kcal per square meter 
D) 19 kcal per square kilometer 
E) 190 kcal per square kilometer

Question 10

Match between columns
                        Premises: the relationship between a predator and prey that affects populations in two or more trophic levels

Accepted Answer

The Answer of ecological pyramid and ecological efficiency and gross is...

Question 11

Net primary productivity is a measure of the rate at which ____ accumulate energy, as well as the rate at which new ____ is added to a system. ​

Accepted Answer

A) consumers; inorganic material 
B) producers; inorganic material 
C) carnivores; prey 
D) producers; biomass 
E) consumers; biomass 
A) consumers; inorganic material 
B) producers; inorganic material 
C) carnivores; prey 
D) producers; biomass 
E) consumers; biomass

Question 12

Match between columns
                        Premises: predicts what would happen if an ecosystem was changed

Accepted Answer

The Answer of generalized compartment model and ecological pyramid and is...

Question 13

Which three factors determine the ecological efficiencies of consumers? ​

Accepted Answer

A) assimilation and harvesting efficiencies, and nutrient volume 
B) assimilation and harvesting efficiencies, and water volume 
C) production, harvesting, and assimilation efficiencies 
D) production and harvesting efficiencies, and amount of sunlight 
E) production and harvesting efficiencies, and percentage of decomposers 
A) assimilation and harvesting efficiencies, and nutrient volume 
B) assimilation and harvesting efficiencies, and water volume 
C) production, harvesting, and assimilation efficiencies 
D) production and harvesting efficiencies, and amount of sunlight 
E) production and harvesting efficiencies, and percentage of decomposers

Question 14

Match between columns
                        Premises: secondary consumers

Accepted Answer

The Answer of E and D and C and A is...

Question 15

Match between columns
                        Premises: terrestrial rocks

Accepted Answer

The Answer of  A and  C and  is...

Question 16

Biological magnification is best defined as ____. ​

Accepted Answer

A) the increase in toxicity of a chemical compound resulting from its metabolism by a living organism 
B) the higher relative proportion of biomass among producers as compared to consumers in an ecosystem 
C) the concentration of nondegradable poisons within organisms at higher trophic levels 
D) the concentration of degradable poisons within organisms at lower trophic levels 
E) the declining relative proportion of nondegradable poisons in organisms at higher trophic levels as compared to those at lower trophic levels 
A) the increase in toxicity of a chemical compound resulting from its metabolism by a living organism 
B) the higher relative proportion of biomass among producers as compared to consumers in an ecosystem 
C) the concentration of nondegradable poisons within organisms at higher trophic levels 
D) the concentration of degradable poisons within organisms at lower trophic levels 
E) the declining relative proportion of nondegradable poisons in organisms at higher trophic levels as compared to those at lower trophic levels

Question 17

Zooplankton eating phytoplankton almost as soon as they appear in marine ecosystems causes the pyramid of biomass to ____. ​

Accepted Answer

A) resemble the pyramid of energy 
B) invert 
C) widen at the base 
D) add trophic levels 
E) to become obsolete 
A) resemble the pyramid of energy 
B) invert 
C) widen at the base 
D) add trophic levels 
E) to become obsolete

Question 18

Match between columns
                        Premises: primary producers

Accepted Answer

The Answer of C and A and D and E is...

Question 19

Energy losses are multiplied in successive energy transfers in a food web. ​

Accepted Answer

A) True 
 B)False

Question 20

The rate at which producers convert solar energy into chemical energy is an ecosystem's ____. ​

Accepted Answer

A) standing crop biomass ​ 
B) biogeochemical cycle 
C) net primary productivity 
D) efficiency 
E) gross primary productivity 
A) standing crop biomass ​ 
B) biogeochemical cycle 
C) net primary productivity 
D) efficiency 
E) gross primary productivity

Exam 54: Ecosystems

What was one of the primary results from the Hubbard Brook Watershed Project? ​

Why is the productivity poor in the deeper parts of the ocean? ​

In the hydrologic cycle, water moves from the land to the air by ____ and returns to the land via ____. ​

Which factors besides sunlight influence the rate of primary productivity? ​

Which class of organisms makes up the detrital food web? ​

Why is nitrogen necessary in the human body? ​

Geographically, where is net primary productivity the highest? ​

What is the main cause of carbon dioxide build-up in the atmosphere? ​

About how much solar energy is intercepted by Earth every minute? ​

Net primary productivity is a measure of the rate at which ____ accumulate energy, as well as the rate at which new ____ is added to a system. ​

Which three factors determine the ecological efficiencies of consumers? ​

Biological magnification is best defined as ____. ​

Zooplankton eating phytoplankton almost as soon as they appear in marine ecosystems causes the pyramid of biomass to ____. ​

Energy losses are multiplied in successive energy transfers in a food web. ​

The rate at which producers convert solar energy into chemical energy is an ecosystem's ____. ​

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

DNA Structure, Replication, and Organization

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Animal Nutrition

Regulating the Internal Environment

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Biodiversity and Conservation Biology

Animal Behavior

Filters

What was one of the primary results from the Hubbard Brook Watershed Project?

Why is the productivity poor in the deeper parts of the ocean?

In the hydrologic cycle, water moves from the land to the air by and returns to the land via .

Which factors besides sunlight influence the rate of primary productivity?

Which class of organisms makes up the detrital food web?

Why is nitrogen necessary in the human body?

Geographically, where is net primary productivity the highest?

What is the main cause of carbon dioxide build-up in the atmosphere?

About how much solar energy is intercepted by Earth every minute?

Net primary productivity is a measure of the rate at which accumulate energy, as well as the rate at which new is added to a system.

Which three factors determine the ecological efficiencies of consumers?

Biological magnification is best defined as ____.

Zooplankton eating phytoplankton almost as soon as they appear in marine ecosystems causes the pyramid of biomass to ____.

Energy losses are multiplied in successive energy transfers in a food web.

The rate at which producers convert solar energy into chemical energy is an ecosystem's ____.