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Intro to Biology (college) Exam 1 Questions and Answers (100% Pass)
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Intro to Biology (college) Exam 1 Questions and Answers (100% Pass)
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©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Tuesday, July 30, 2024 12:01 AMIntro to Biology (college) Exam 1 Questions and
Answers (100% Pass)
What are the characteristics common to all living things? - ✔️✔️• All living things are
made of cells
• All living things are organized and made of the
same molecules
• All living things grow, develop, and reproduce
• All living things use raw materials, produce, and use
energy
• All living things respond to the environment
• All living things maintain homeostasis
• Populations of living things evolve
what determines if something is a science? - ✔️✔️• Focuses on the natural world
• Aims to explain the natural world
• Uses testable ideas
• Relies on evidence
• Usually leads to ongoing research
• Involves the scientific community
What does science do? - ✔️✔️it aims to understand the natural
world through observation and reasoning
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,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Tuesday, July 30, 2024 12:01 AM
What are two major types of reasoning used in science? - ✔️✔️• deductive reasoning-
from general to
specific
• inductive reasoning- from specific to
general
What are the main steps of the scientific method? - ✔️✔️- Observation
- Hypothesis
- Prediction
- Experimentation
- Conclusion
hypothesis - ✔️✔️possible explanation for an
observation
prediction - ✔️✔️what you expect if your hypothesis were true
peer review - ✔️✔️people who read an article and provide feedback
basic research - ✔️✔️is intended to extend the boundaries of what we know
applied research - ✔️✔️- Foundation provided by basic research
- May involve the manufacture of food
additives or drugs
Hypothesis vs. Theory - ✔️✔️• Hypotheses - proposed explanations for a narrow set of
phenomena
• Theories - broad explanations for a wide range of
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, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Tuesday, July 30, 2024 12:01 AM
phenomena. Theories integrate and generate many
hypotheses.
What are some types of evidence that support the Theory of Evolution through Natural
Selection? - ✔️✔️
How did the atmosphere of early earth differ from now? - ✔️✔️Popular view of early
atmosphere:
• Carbon dioxide
• Nitrogen gas
• Water vapor
• Hydrogen gas
• Other sulfur, nitrogen, and carbon compound
Current atmosphere:
• Nitrogen
•Oxygen
• Argon
• Carbon dioxide
• Other trace molecules.
What did Miller-Urey experiment demonstrate? - ✔️✔️reproduce early atmosphere
Where are some current hypotheses for the source of the first biological molecules? -
✔️✔️
what are microspheres and why are they important in understanding the origin of life? -
✔️✔️they are pre-cells.
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