Question 1

What is biodiversity? How does it arise? Why is it important?

Accepted Answer

In the simplest terms,biodiversity is th

Question 2

Increased atmospheric CO2 may lead to increased foliage cover.

Accepted Answer

A) True 
 B)False

Question 3

There is little evidence supporting the contention that synthetic fertilizers disrupt natural biogeochemical cycles.

Accepted Answer

A) True 
 B)False

Question 4

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is an expression of the

Accepted Answer

A) life zone concept. 
B) altitude-latitude hypothesis. 
C) altitudinal zonation principle. 
D) vegetation similarity theory. 
A) life zone concept. 
B) altitude-latitude hypothesis. 
C) altitudinal zonation principle. 
D) vegetation similarity theory.

Question 5

Which of the following is NOT considered among the greatest anthropogenic threats to biodiversity?

Accepted Answer

A) Introduction of non-native species 
B) Climate change 
C) Air,water,and soil pollution 
D) Habitat loss 
E) Habitat loss,non-native species,pollution,and climate change all represent threats to biodiversity. 
A) Introduction of non-native species 
B) Climate change 
C) Air,water,and soil pollution 
D) Habitat loss 
E) Habitat loss,non-native species,pollution,and climate change all represent threats to biodiversity.

Question 6

Only about__________ of the kilocalories in a trophic level is passed to the next trophic level (e.g. from autotroph to primary consumer).

Accepted Answer

A) 5% 
B) 10% 
C) 15% 
D) 20% 
A) 5% 
B) 10% 
C) 15% 
D) 20%

Question 7

When a random occurrence produces altered genetic material and inserts new traits into the inherited stream,__________has occurred.

Accepted Answer

A) mutation 
B) punctuated equilibrium 
C) Lamarckian evolution 
D) vicariance 
A) mutation 
B) punctuated equilibrium 
C) Lamarckian evolution 
D) vicariance

Question 8

An ecosystem is a self-regulating association of living plants and animals and their nonliving physical environment.

Accepted Answer

A) True 
 B)False

Question 9

Autotrophs that dwell in dark caves,wells,or on the ocean floor often depend on which of the following biogeochemical processes?

Accepted Answer

A) Photosynthesis 
B) Nitrogen fixing 
C) Chemosynthesis 
D) Nutrient leaching 
A) Photosynthesis 
B) Nitrogen fixing 
C) Chemosynthesis 
D) Nutrient leaching

Question 10

A resilient species or ecosystem is one that can recover quickly from disturbance.

Accepted Answer

A) True 
 B)False

Question 11

The environment in which an organism resides or is biologically adapted to live is called a(n)

Accepted Answer

A) niche. 
B) community. 
C) ecotone. 
D) habitat. 
A) niche. 
B) community. 
C) ecotone. 
D) habitat.

Question 12

The gaseous oxygen in Earthʹs early atmosphere was a by -product of

Accepted Answer

A) photochemical reactions breaking down ozone (O3)to form oxygen (O2). 
B) volcanic outgassing. 
C) decay of organic matter. 
D) photosynthesis. 
A) photochemical reactions breaking down ozone (O3)to form oxygen (O2). 
B) volcanic outgassing. 
C) decay of organic matter. 
D) photosynthesis.

Question 13

Chlorophyll reflects predominately_________ wavelengths of visible light.

Accepted Answer

A) green 
B) indigo 
C) blue 
D) red 
A) green 
B) indigo 
C) blue 
D) red

Question 14

The distribution of species is based on both biotic and abiotic factors.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is NOT a biotic component of an ecosystem?

Accepted Answer

A) Bacteria 
B) Mineral nutrients 
C) Plants 
D) Animals 
A) Bacteria 
B) Mineral nutrients 
C) Plants 
D) Animals

Question 16

A lichen is made up of algae and fungi living together.In this relationship,the alga is the producer and food source for the fungus and the fungus provides structure and physical support for the alga.This is an example of which symbiotic relationship?

Accepted Answer

A) Parasitism 
B) Mutualism 
C) Commensalism 
D) Amensalism 
A) Parasitism 
B) Mutualism 
C) Commensalism 
D) Amensalism

Question 17

Energy flows through an ecosystem along an idealized unidirectional pathway called a

Accepted Answer

A) trophic cascade. 
B) niche order. 
C) food chain. 
D) food web. 
A) trophic cascade. 
B) niche order. 
C) food chain. 
D) food web.

Question 18

As energy moves through trophic levels it increases from lower to higher levels.

Accepted Answer

A) True 
 B)False

Question 19

C6H12O6 + 6O2 g 6CO2 + 6H2O + heat energy is the generalized equation for

Accepted Answer

A) respiration. 
B) chemosynthesis. 
C) transpiration. 
D) photosynthesis. 
A) respiration. 
B) chemosynthesis. 
C) transpiration. 
D) photosynthesis.

Question 20

Since life arose on Earth,__________major extinctions have occurred.

Accepted Answer

A) one 
B) two 
C) six 
D) ten 
A) one 
B) two 
C) six 
D) ten

What is biodiversity? How does it arise? Why is it important?

Increased atmospheric CO₂ may lead to increased foliage cover.

There is little evidence supporting the contention that synthetic fertilizers disrupt natural biogeochemical cycles.

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is an expression of the

Which of the following is NOT considered among the greatest anthropogenic threats to biodiversity?

Only about__________ of the kilocalories in a trophic level is passed to the next trophic level (e.g. from autotroph to primary consumer).

When a random occurrence produces altered genetic material and inserts new traits into the inherited stream,__________has occurred.

An ecosystem is a self-regulating association of living plants and animals and their nonliving physical environment.

Autotrophs that dwell in dark caves,wells,or on the ocean floor often depend on which of the following biogeochemical processes?

A resilient species or ecosystem is one that can recover quickly from disturbance.

The environment in which an organism resides or is biologically adapted to live is called a(n)

The gaseous oxygen in Earthʹs early atmosphere was a by -product of

Chlorophyll reflects predominately_________ wavelengths of visible light.

The distribution of species is based on both biotic and abiotic factors.

Which of the following is NOT a biotic component of an ecosystem?

A lichen is made up of algae and fungi living together.In this relationship,the alga is the producer and food source for the fungus and the fungus provides structure and physical support for the alga.This is an example of which symbiotic relationship?

Energy flows through an ecosystem along an idealized unidirectional pathway called a

As energy moves through trophic levels it increases from lower to higher levels.

C₆H₁₂O₆ + 6O₂ g 6CO₂ + 6H₂O + heat energy is the generalized equation for

Since life arose on Earth,__________major extinctions have occurred.

The Science of Geography

The Solar System,sun,and Earth

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Biogeographic Divisions

Filters

Exam 16: Energy Flows and Nutrient Cycles

What is biodiversity? How does it arise? Why is it important?

Increased atmospheric CO2 may lead to increased foliage cover.

There is little evidence supporting the contention that synthetic fertilizers disrupt natural biogeochemical cycles.

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is an expression of the

Which of the following is NOT considered among the greatest anthropogenic threats to biodiversity?

Only about__________ of the kilocalories in a trophic level is passed to the next trophic level (e.g. from autotroph to primary consumer).

When a random occurrence produces altered genetic material and inserts new traits into the inherited stream,__________has occurred.

An ecosystem is a self-regulating association of living plants and animals and their nonliving physical environment.

Autotrophs that dwell in dark caves,wells,or on the ocean floor often depend on which of the following biogeochemical processes?

A resilient species or ecosystem is one that can recover quickly from disturbance.

The environment in which an organism resides or is biologically adapted to live is called a(n)

The gaseous oxygen in Earthʹs early atmosphere was a by -product of

Chlorophyll reflects predominately_________ wavelengths of visible light.

The distribution of species is based on both biotic and abiotic factors.

Which of the following is NOT a biotic component of an ecosystem?

A lichen is made up of algae and fungi living together.In this relationship,the alga is the producer and food source for the fungus and the fungus provides structure and physical support for the alga.This is an example of which symbiotic relationship?

Energy flows through an ecosystem along an idealized unidirectional pathway called a

As energy moves through trophic levels it increases from lower to higher levels.

C6H12O6 + 6O2 g 6CO2 + 6H2O + heat energy is the generalized equation for

Since life arose on Earth,__________major extinctions have occurred.

The Science of Geography

The Solar System,sun,and Earth

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Biogeographic Divisions

Filters

Increased atmospheric CO₂ may lead to increased foliage cover.

C₆H₁₂O₆ + 6O₂ g 6CO₂ + 6H₂O + heat energy is the generalized equation for