Question 1

What were the primary results from the Hubbard Brook Watershed Project?

Accepted Answer

A) that trees absorb too much water and are not useful in a watershed area 
B) that deforestation causes flooding 
C) the discovery of new plant species that absorb less water 
D) that pollution is gravely affecting that water supply 
A) that trees absorb too much water and are not useful in a watershed area 
B) that deforestation causes flooding 
C) the discovery of new plant species that absorb less water 
D) that pollution is gravely affecting that water supply

Question 2

Match the term that corresponds to the appropriate lettered box in the image.  
-primary producers

Accepted Answer

The answer of Match the term that corresponds to the...

Question 3

What is the main cause of carbon dioxide buildup in the atmosphere?

Accepted Answer

A) droughts 
B) deforestation 
C) flooding 
D) burning fossil fuels 
A) droughts 
B) deforestation 
C) flooding 
D) burning fossil fuels

Question 4

What was concluded from the energy flow study in Silver Springs?

Accepted Answer

A) Trophic energy losses are not significant. 
B) Energy flows are difficult to measure. 
C) Only a little energy is transferred from one trophic level to the next. 
D) Most of the Sun's energy is harvested. 
A) Trophic energy losses are not significant. 
B) Energy flows are difficult to measure. 
C) Only a little energy is transferred from one trophic level to the next. 
D) Most of the Sun's energy is harvested.

Question 5

Why is nitrogen necessary in the human body?

Accepted Answer

Nitrogen is required in order

Question 6

Match each description with the appropriate scientific term.
-diagram showing the inefficient transfer of energy from one trophic level to the next

Accepted Answer

A) biogeochemical cycles 
B) ecological efficiency 
C) ecological pyramid 
D) generalized compartment model 
E) gross primary productivity
F)limiting nutrient
G)net primary productivity
H)pyramid of biomass
I)secondary productivity
J)simulation modelling
K)standing crop biomass
L)trophic cascade 
A) biogeochemical cycles 
B) ecological efficiency 
C) ecological pyramid 
D) generalized compartment model 
E) gross primary productivity
F)limiting nutrient
G)net primary productivity
H)pyramid of biomass
I)secondary productivity
J)simulation modelling
K)standing crop biomass
L)trophic cascade

Question 7

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

Accepted Answer

In the deeper parts of the ocean, sunlig

Exam 31: Ecosystems

What were the primary results from the Hubbard Brook Watershed Project?

Match the term that corresponds to the appropriate lettered box in the image. -primary producers

What is the main cause of carbon dioxide buildup in the atmosphere?

What was concluded from the energy flow study in Silver Springs?

Why is nitrogen necessary in the human body?

Match each description with the appropriate scientific term. -diagram showing the inefficient transfer of energy from one trophic level to the next

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

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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