WGU D671 Success Pack 2026 | Latest Update | Exam
Prep
1. If two species share a significant amount of genetic material, what can be
inferred about their evolutionary relationship?
They likely share a common ancestor.
They evolved independently in isolation.
They are the result of convergent evolution.
They have no evolutionary relationship.
2. Describe how volcanic activity contributes to the formation of Earth's surface
features.
Volcanic activity erodes existing landforms, reducing their height.
Volcanic activity contributes to the formation of Earth's surface
features by erupting magma that solidifies into rock, creating new
landforms.
Volcanic activity only occurs underwater and does not impact land.
Volcanic activity primarily affects the atmosphere rather than the
surface.
3. Describe how water contributes to the erosion process that shapes canyons.
Water has no significant effect on canyon formation.
Water deposits sediment to build up canyon walls.
Water erodes rock and soil through processes like hydraulic action
and abrasion, leading to the formation of canyons.
Water only affects the surface of the canyon, not its depth.
,4. Describe the role of DNA in living organisms.
DNA helps in the synthesis of proteins only.
DNA carries genetic information essential for the growth,
development, and functioning of living organisms.
DNA is responsible for energy production in cells.
DNA is a type of carbohydrate found in cells.
5. What is the name of the sphere that regulates the Earth's climate and weather
patterns?
Hydrosphere
Atmosphere
Lithosphere
Biosphere
6. If new evidence were to suggest that the universe began differently than the
Big Bang theory proposes, what impact might this have on scientific inquiry
and standards in education?
It would confirm the Big Bang theory as the only explanation for the
universe's origin.
It would prompt a reevaluation of existing scientific theories and
potentially lead to updates in educational standards.
It would lead to the abandonment of all scientific inquiry.
It would have no impact on scientific inquiry or educational standards.
7. Describe the role of producers in the transfer of matter within a food web.
Producers consume other organisms for energy.
, Producers regulate the population of consumers.
Producers convert sunlight into chemical energy, forming the base
of the food web.
Producers break down organic matter into nutrients.
8. Describe the significance of plants and algae in maintaining ecosystem
balance.
Plants and algae primarily decompose organic matter in ecosystems.
Plants and algae serve as primary producers, converting sunlight
into energy and forming the base of the food web.
Plants and algae are only important for providing oxygen to the
atmosphere.
Plants and algae are secondary consumers that rely on herbivores for
energy.
9. Describe the role of the Sun in the solar system.
The Sun is a planet that orbits around the Earth.
The Sun is a black hole that absorbs all surrounding matter.
The Sun is the central star that provides light and heat, influencing
the orbits and climates of the planets.
The Sun is a satellite that reflects light from other stars.
10. What is the primary source of energy for most life forms on Earth?
Nuclear energy
The sun
Geothermal vents
, Chemical reactions
11. How did the society shape science in ancient civilizations?
The community shaped the minds of would-be 'scientists', thereby
influencing science.
Governments selected inventions, discoveries, or innovations that will
be used by communities.
Influential members of society chose which innovation or discovery to
promote.
The needs of society influenced the direction of scientific activities.
12. What is a potential consequence of community pollution on the local
ecosystem?
Improved air quality
Enhanced soil fertility
Increased biodiversity
Disruption of food chains and ecosystems
13. What are the foundational concepts that form the basis of scientific
knowledge in the Next Generation Science Standards?
Core Disciplinary Ideas
Scientific Inquiry
Science and Engineering Practices
Crosscutting Concepts
14. If a region experiences increased volcanic activity, what potential impact
could this have on the local ecosystem?
Prep
1. If two species share a significant amount of genetic material, what can be
inferred about their evolutionary relationship?
They likely share a common ancestor.
They evolved independently in isolation.
They are the result of convergent evolution.
They have no evolutionary relationship.
2. Describe how volcanic activity contributes to the formation of Earth's surface
features.
Volcanic activity erodes existing landforms, reducing their height.
Volcanic activity contributes to the formation of Earth's surface
features by erupting magma that solidifies into rock, creating new
landforms.
Volcanic activity only occurs underwater and does not impact land.
Volcanic activity primarily affects the atmosphere rather than the
surface.
3. Describe how water contributes to the erosion process that shapes canyons.
Water has no significant effect on canyon formation.
Water deposits sediment to build up canyon walls.
Water erodes rock and soil through processes like hydraulic action
and abrasion, leading to the formation of canyons.
Water only affects the surface of the canyon, not its depth.
,4. Describe the role of DNA in living organisms.
DNA helps in the synthesis of proteins only.
DNA carries genetic information essential for the growth,
development, and functioning of living organisms.
DNA is responsible for energy production in cells.
DNA is a type of carbohydrate found in cells.
5. What is the name of the sphere that regulates the Earth's climate and weather
patterns?
Hydrosphere
Atmosphere
Lithosphere
Biosphere
6. If new evidence were to suggest that the universe began differently than the
Big Bang theory proposes, what impact might this have on scientific inquiry
and standards in education?
It would confirm the Big Bang theory as the only explanation for the
universe's origin.
It would prompt a reevaluation of existing scientific theories and
potentially lead to updates in educational standards.
It would lead to the abandonment of all scientific inquiry.
It would have no impact on scientific inquiry or educational standards.
7. Describe the role of producers in the transfer of matter within a food web.
Producers consume other organisms for energy.
, Producers regulate the population of consumers.
Producers convert sunlight into chemical energy, forming the base
of the food web.
Producers break down organic matter into nutrients.
8. Describe the significance of plants and algae in maintaining ecosystem
balance.
Plants and algae primarily decompose organic matter in ecosystems.
Plants and algae serve as primary producers, converting sunlight
into energy and forming the base of the food web.
Plants and algae are only important for providing oxygen to the
atmosphere.
Plants and algae are secondary consumers that rely on herbivores for
energy.
9. Describe the role of the Sun in the solar system.
The Sun is a planet that orbits around the Earth.
The Sun is a black hole that absorbs all surrounding matter.
The Sun is the central star that provides light and heat, influencing
the orbits and climates of the planets.
The Sun is a satellite that reflects light from other stars.
10. What is the primary source of energy for most life forms on Earth?
Nuclear energy
The sun
Geothermal vents
, Chemical reactions
11. How did the society shape science in ancient civilizations?
The community shaped the minds of would-be 'scientists', thereby
influencing science.
Governments selected inventions, discoveries, or innovations that will
be used by communities.
Influential members of society chose which innovation or discovery to
promote.
The needs of society influenced the direction of scientific activities.
12. What is a potential consequence of community pollution on the local
ecosystem?
Improved air quality
Enhanced soil fertility
Increased biodiversity
Disruption of food chains and ecosystems
13. What are the foundational concepts that form the basis of scientific
knowledge in the Next Generation Science Standards?
Core Disciplinary Ideas
Scientific Inquiry
Science and Engineering Practices
Crosscutting Concepts
14. If a region experiences increased volcanic activity, what potential impact
could this have on the local ecosystem?
