Question 1

____________ is a process in which rubber is treated with sulfur and heat to stabilize its elastic properties.

Accepted Answer

The answer of ____________ is a process in which rubber...

Question 2

The greatest species diversity is found in this biome.

Accepted Answer

A) deciduous forest 
B) tropical rain forest 
C) grasslands 
D) taiga 
A) deciduous forest 
B) tropical rain forest 
C) grasslands 
D) taiga

Question 3

Which of the following is true about the United States and the reduction of greenhouse gas emissions?

Accepted Answer

A) The US was one of the first signers of the Kyoto Protocol. 
B) The US met its target to reduce greenhouse gas emissions by 7% in 2012. 
C) The US Senate in 2003 approved a bill to curb emissions of CO2 and other greenhouse gases. 
D) The US leads the world in its commitment to reduce greenhouse gas emissions and to slow global warming. 
E) None of these statements is truE. 
A) The US was one of the first signers of the Kyoto Protocol. 
B) The US met its target to reduce greenhouse gas emissions by 7% in 2012. 
C) The US Senate in 2003 approved a bill to curb emissions of CO2 and other greenhouse gases. 
D) The US leads the world in its commitment to reduce greenhouse gas emissions and to slow global warming. 
E) None of these statements is truE.

Question 4

A utility company burning coal to produce electricity is an example of the First Law of Thermodynamics.

Accepted Answer

A) True 
 B)False

Question 5

Niche is the broad range of characteristics of an organism that defines how it relates to the rest of its community.

Accepted Answer

A) True 
 B)False

Question 6

________ is the hard endosperm of a rain forest palm that can be carved into figurines,jewelry,or buttons.

Accepted Answer

The answer of ________ is the hard endosperm of a...

Question 7

Consider a simplified ecosystem: grass->mice->weasels->.According to the pyramid of biomass concept,if you were to determine the collective dry weight of all the organisms at each trophic level,the weasels would have the largest biomass and the grasses would have the smallest.

Accepted Answer

A) True 
 B)False

Question 8

In this biome,conifers dominate,soils have low fertility and are acidic.Caribou live in this biome part of the year.This biome is a

Accepted Answer

A) tundrA. 
B) chaparral. 
C) taiga. 
D) desert. 
E) tropical rain forest. 
A) tundrA. 
B) chaparral. 
C) taiga. 
D) desert. 
E) tropical rain forest.

Question 9

Clear-cutting is the method of tree harvesting that is least disruptive to a forest.

Accepted Answer

A) True 
 B)False

Question 10

Global carbon dioxide levels have increased by ______ percent in the last 100 years.

Accepted Answer

A) 10 
B) 15 
C) 20 
D) 25 
E) 30 
A) 10 
B) 15 
C) 20 
D) 25 
E) 30

Question 11

A _______ community is the last successional stage in both primary and secondary succession.

Accepted Answer

The answer of A _______ community is the last successional...

Question 12

Which ecological pyramid illustrates the observation that it takes many small organisms to support the nutritional needs of one large organism?

Accepted Answer

A) pyramid of numbers 
B) pyramid of biomass 
C) pyramid of energy 
D) pyramid of calories 
A) pyramid of numbers 
B) pyramid of biomass 
C) pyramid of energy 
D) pyramid of calories

Question 13

The retreat of a large glacier scoured the earth removing all vegetation and soil.The first plants to recolonize the devastated area were mosses.The type of succession represented in this scenario is _______ and moss is considered a _______ species.

Accepted Answer

A) primary - pioneer 
B) primary - secondary 
C) secondary - pioneer 
D) secondary - primary 
E) primary - successional 
A) primary - pioneer 
B) primary - secondary 
C) secondary - pioneer 
D) secondary - primary 
E) primary - successional

Question 14

According to the pyramid of energy,it generally takes about 100 kilograms (dry weight)of clover to make 10 kg of rabbit,which in turn will make 1 kg of fox.

Accepted Answer

A) True 
 B)False

Question 15

The author who alerted the public to the importance of biological magnification was

Accepted Answer

A) Charles Darwin. 
B) Louis Pasteur. 
C) Rachel Carson. 
D) Rosalind Franklin. 
E) Claudia Johnson. 
A) Charles Darwin. 
B) Louis Pasteur. 
C) Rachel Carson. 
D) Rosalind Franklin. 
E) Claudia Johnson.

Question 16

Biomes are the climax communities for particular regions of the terrestrial environment.

Accepted Answer

A) True 
 B)False

Question 17

The biomass of tertiary consumers is terrestrial ecosystem is typically less than that of

Accepted Answer

A) primary producers. 
B) primary consumers. 
C) secondary consumers. 
D) decomposers. 
E) all of thesE. 
A) primary producers. 
B) primary consumers. 
C) secondary consumers. 
D) decomposers. 
E) all of thesE.

Question 18

The term ecology literally means the study of our

Accepted Answer

A) house. 
B) planet. 
C) biosphere. 
D) ecosystem. 
A) house. 
B) planet. 
C) biosphere. 
D) ecosystem.

Question 19

Flying squirrels eat mushrooms that decompose the remains of fir trees - the dominant plants in the forest.Spotted owls eat the flying squirrels.In turn,crows eat the eggs of spotted owls.The fir trees are

Accepted Answer

A) primary producers. 
B) primary consumers. 
C) secondary consumers. 
D) tertiary consumers. 
E) none of thesE. 
A) primary producers. 
B) primary consumers. 
C) secondary consumers. 
D) tertiary consumers. 
E) none of thesE.

Question 20

The main source of natural rubber comes from which native plant of the tropical rainforest?

Accepted Answer

A) Hevea brasiliensis 
B) Manilkara zapota 
C) Phytelephas macrocarpa 
D) Bertholletia excelsa 
A) Hevea brasiliensis 
B) Manilkara zapota 
C) Phytelephas macrocarpa 
D) Bertholletia excelsa

Exam 26: Plant Ecology

____________ is a process in which rubber is treated with sulfur and heat to stabilize its elastic properties.

The greatest species diversity is found in this biome.

Which of the following is true about the United States and the reduction of greenhouse gas emissions?

A utility company burning coal to produce electricity is an example of the First Law of Thermodynamics.

Niche is the broad range of characteristics of an organism that defines how it relates to the rest of its community.

________ is the hard endosperm of a rain forest palm that can be carved into figurines,jewelry,or buttons.

Consider a simplified ecosystem: grass->mice->weasels->.According to the pyramid of biomass concept,if you were to determine the collective dry weight of all the organisms at each trophic level,the weasels would have the largest biomass and the grasses would have the smallest.

In this biome,conifers dominate,soils have low fertility and are acidic.Caribou live in this biome part of the year.This biome is a

Clear-cutting is the method of tree harvesting that is least disruptive to a forest.

Global carbon dioxide levels have increased by ______ percent in the last 100 years.

A _______ community is the last successional stage in both primary and secondary succession.

Which ecological pyramid illustrates the observation that it takes many small organisms to support the nutritional needs of one large organism?

The retreat of a large glacier scoured the earth removing all vegetation and soil.The first plants to recolonize the devastated area were mosses.The type of succession represented in this scenario is _______ and moss is considered a _______ species.

According to the pyramid of energy,it generally takes about 100 kilograms (dry weight)of clover to make 10 kg of rabbit,which in turn will make 1 kg of fox.

The author who alerted the public to the importance of biological magnification was

Biomes are the climax communities for particular regions of the terrestrial environment.

The biomass of tertiary consumers is terrestrial ecosystem is typically less than that of

The term ecology literally means the study of our

Flying squirrels eat mushrooms that decompose the remains of fir trees - the dominant plants in the forest.Spotted owls eat the flying squirrels.In turn,crows eat the eggs of spotted owls.The fir trees are

The main source of natural rubber comes from which native plant of the tropical rainforest?

Plants in Our Lives

The Plant Cell

The Plant Body

Plant Physiology

Plant Life Cycle: Flowers

Plant Life Cycle: Fruits and Seeds

Genetics

Plant Systematics and Evolution

Diversity of Plant Life

Human Nutrition

Origins of Agriculture

The Grasses

Legumes

Starchy Staples

Feeding a Hungry World

Stimulating Beverages

Herbs and Spices

Materials: Cloth, Wood, and Paper

Medicinal Plants

Psychoactive Plants

Poisonous and Allergy Plants

The Algae

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Filters

The retreat of a large glacier scoured the earth removing all vegetation and soil.The first plants to recolonize the devastated area were mosses.The type of succession represented in this scenario is _ and moss is considered a _ species.