Question 1

Detritivores, scavengers, and decomposers are all similar as they:

Accepted Answer

A)  Consume nonliving organic matter 
B)  Are primarily microorganisms 
C)  Are primary producers 
D)  Are among the Earth's least useful organisms 
E)  Consume abiotic material 
A)  Consume nonliving organic matter 
B)  Are primarily microorganisms 
C)  Are primary producers 
D)  Are among the Earth's least useful organisms 
E)  Consume abiotic material A

Question 2

If an ecosystem exchanges both matter and energy with its surroundings, it would be referred to as a(n) ______ system.

Accepted Answer

A)  Closed 
B)  Open 
C)  Dynamic 
D)  Isolated 
E)  Interactive 
A)  Closed 
B)  Open 
C)  Dynamic 
D)  Isolated 
E)  Interactive B

Question 3

Using examples, compare and contrast the cycling of energy through biological systems and biogeochemical cycles.

Accepted Answer

Points awarded on depth and accuracy of answer. Answer should mention sunlight as the starting point for all energy and transfer of energy through living things in the food chain/web (including energy lost as heat along each step of the pathway).

Question 4

The process of photosynthesis and cellular respiration are similar as that they both

Accepted Answer

A)  Capture energy in the form of sugar 
B)  Occur in all living organisms 
C)  Store energy in the form of ATP 
D)  Capture energy from the sun 
E)  Photosynthesis and cellular respiration are not similar, they are opposite processes 
A)  Capture energy in the form of sugar 
B)  Occur in all living organisms 
C)  Store energy in the form of ATP 
D)  Capture energy from the sun 
E)  Photosynthesis and cellular respiration are not similar, they are opposite processes

Question 5

The final breakdown and recycling of organic material is accomplished by

Accepted Answer

A)  top level consumers. 
B)  decomposers. 
C)  scavengers. 
D)  detritivores. 
A)  top level consumers. 
B)  decomposers. 
C)  scavengers. 
D)  detritivores.

Question 6

Producers and consumers rely on ____________ to release chemical energy stored as ATP.

Accepted Answer

A)  Photosynthesis 
B)  Cellular respiration 
C)  The sun 
D)  Metabolism 
E)  Chemosynthesis 
A)  Photosynthesis 
B)  Cellular respiration 
C)  The sun 
D)  Metabolism 
E)  Chemosynthesis

Question 7

Cellular respiration is the process by which organisms

Accepted Answer

A)  release energy from sugar for metabolic use. 
B)  create complex organic molecules from simple molecules. 
C)  convert heat to chemical bond energy for metabolic work. 
D)  More than one of these choices are correct 
A)  release energy from sugar for metabolic use. 
B)  create complex organic molecules from simple molecules. 
C)  convert heat to chemical bond energy for metabolic work. 
D)  More than one of these choices are correct

Question 8

DNA molecules

Accepted Answer

A)  are unique to every individual. 
B)  are single stranded. 
C)  are protein. 
D)  are only found in humans. 
A)  are unique to every individual. 
B)  are single stranded. 
C)  are protein. 
D)  are only found in humans.

Question 9

The process of cellular respiration:

Accepted Answer

A)  Helps primary producers store energy accumulated by chloroplasts 
B)  Utilizes energy from chemical bonds of molecules, such as glucose 
C)  Eliminates the need for enzymes in metabolism 
D)  Does not occur in primary producers 
E)  Does not occur in detritivores 
A)  Helps primary producers store energy accumulated by chloroplasts 
B)  Utilizes energy from chemical bonds of molecules, such as glucose 
C)  Eliminates the need for enzymes in metabolism 
D)  Does not occur in primary producers 
E)  Does not occur in detritivores

Question 10

Which two kinds of organisms introduce energy to an ecosystem?

Accepted Answer

A)  Plants and primary consumers 
B)  Plants and animals at the very top of the food chain 
C)  Animals in trophic levels III and IV 
D)  Plants and algae 
A)  Plants and primary consumers 
B)  Plants and animals at the very top of the food chain 
C)  Animals in trophic levels III and IV 
D)  Plants and algae

Question 11

A biological community consists of all:

Accepted Answer

A)  Populations living and interacting in an area 
B)  Members of a species living in the same area 
C)  Living things on Earth 
D)  Populations of a given species 
E)  Members of a species living in the same biome 
A)  Populations living and interacting in an area 
B)  Members of a species living in the same area 
C)  Living things on Earth 
D)  Populations of a given species 
E)  Members of a species living in the same biome

Question 12

A compound is composed of _________.

Accepted Answer

A)  Elements 
B)  Isotopes 
C)  Atoms 
D)  Molecules 
A)  Elements 
B)  Isotopes 
C)  Atoms 
D)  Molecules

Question 13

About ___________ percent of the solar energy that falls on plants is captured for photosynthesis.

Accepted Answer

A)  100 
B)  60-70 
C)  40-50 
D)  10-20 
E)  1-2 
A)  100 
B)  60-70 
C)  40-50 
D)  10-20 
E)  1-2

Question 14

Photosynthesis and respiration are most significant in the ______ cycle.

Accepted Answer

A)  nitrogen 
B)  carbon 
C)  sulfur 
D)  phosphorus 
A)  nitrogen 
B)  carbon 
C)  sulfur 
D)  phosphorus

Question 15

A fat or oil is to a _______, as an enzyme is to a _______.

Accepted Answer

A)  Nucleic acid; lipid 
B)  Protein; nucleic acid 
C)  Nucleic acid; carbohydrate 
D)  Carbohydrate; protein 
E)  Lipid; protein 
A)  Nucleic acid; lipid 
B)  Protein; nucleic acid 
C)  Nucleic acid; carbohydrate 
D)  Carbohydrate; protein 
E)  Lipid; protein

Question 16

Which of the following is not a step in the global nitrogen cycle?

Accepted Answer

A)  Nitrogen fixation 
B)  Nitrification 
C)  Photosynthesis 
D)  Ammonification 
E)  Denitrification 
A)  Nitrogen fixation 
B)  Nitrification 
C)  Photosynthesis 
D)  Ammonification 
E)  Denitrification

Question 17

All members of a species that live in the same area, at the same time, make up a(n):

Accepted Answer

A)  Species 
B)  Ecosystem 
C)  Community 
D)  Population 
E)  Biome 
A)  Species 
B)  Ecosystem 
C)  Community 
D)  Population 
E)  Biome

Question 18

How are matter and mass related?

Accepted Answer

A)  Mass is a component of matter. 
B)  Neither matter nor mass take up space. 
C)  Matter is a component of mass. 
D)  Both matter and mass take up space. 
E)  Mass takes up space, while matter does not take up space. 
A)  Mass is a component of matter. 
B)  Neither matter nor mass take up space. 
C)  Matter is a component of mass. 
D)  Both matter and mass take up space. 
E)  Mass takes up space, while matter does not take up space.

Question 19

Ecologists study:

Accepted Answer

A)  Living things and their genetic makeup 
B)  Genetic patterns and the chemistry in them 
C)  The physical world and its processes 
D)  The Earth and its processes 
E)  Relationships between organisms and their environment 
A)  Living things and their genetic makeup 
B)  Genetic patterns and the chemistry in them 
C)  The physical world and its processes 
D)  The Earth and its processes 
E)  Relationships between organisms and their environment

Question 20

Water vapor, water, and ice are examples of:

Accepted Answer

A)  Types of matter 
B)  Phases of matter 
C)  Transfers of energy into matter 
D)  Forms of energy 
E)  Types of mass 
A)  Types of matter 
B)  Phases of matter 
C)  Transfers of energy into matter 
D)  Forms of energy 
E)  Types of mass

Exam 3: Matter, Energy, and Life

Detritivores, scavengers, and decomposers are all similar as they:

If an ecosystem exchanges both matter and energy with its surroundings, it would be referred to as a(n) ______ system.

Using examples, compare and contrast the cycling of energy through biological systems and biogeochemical cycles.

The process of photosynthesis and cellular respiration are similar as that they both

The final breakdown and recycling of organic material is accomplished by

Producers and consumers rely on ____________ to release chemical energy stored as ATP.

Cellular respiration is the process by which organisms

DNA molecules

The process of cellular respiration:

Which two kinds of organisms introduce energy to an ecosystem?

A biological community consists of all:

A compound is composed of _________.

About ___________ percent of the solar energy that falls on plants is captured for photosynthesis.

Photosynthesis and respiration are most significant in the ______ cycle.

A fat or oil is to a _______, as an enzyme is to a _______.

Which of the following is not a step in the global nitrogen cycle?

All members of a species that live in the same area, at the same time, make up a(n):

How are matter and mass related?

Ecologists study:

Water vapor, water, and ice are examples of:

Understanding Our Environment

Principles of Science and Systems

Evolution, Biological Communities, and Species Interactions

Biomes: Global Patterns of Life

Population Biology

Human Populations

Environmental Health and Toxicology

Food and Hunger

Farming: Conventional and Sustainable Practices

Biodiversity: Preserving Species

Biodiversity: Preserving Landscapes

Restoration Ecology

Geology and Earth Resources

Climate Change

Air Pollution

Water Use and Management

Water Pollution

Conventional Energy

Sustainable Energy

Solid, Toxic, and Hazardous Waste

Urbanization and Sustainable Cities

Ecological Economics

Environmental Policy, Law, and Planning

What Then Shall We Do

Filters

A fat or oil is to a _, as an enzyme is to a _.