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Bio 120 Chapter 1 Questions and Answers (100% Pass)
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Bio 120 Chapter 1 Questions and Answers (100% Pass)
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©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Monday, July 29, 2024 12:15 PMBio 120 Chapter 1 Questions and Answers (100% Pass)
Biology - ✔️✔️the scientific study of life
Evolution - ✔️✔️process of change over time~ change in gene frequency overtime...
measured in generations
What are the 5 unifying themes of biology? - ✔️✔️organization, information, energy and
matter, interactions, evolution
Theme: Organization - ✔️✔️-Living things are organized all living things share certain
characteristics
-Both living and nonliving things are ultimately composed of atoms that are subject to
the same laws of physics and chemistry.
-Homogeneous (same) or Heterogeneous (different)
Theme: Information - ✔️✔️Within cells, structures called chromosomes contain genetic
material; DNA (deoxyribonucleic acid)
Theme: Energy and Matter - ✔️✔️-Life requires the transformation of energy and matter
-Fundamental characteristic of living organisms is their use of energy to carry out life's
activities
-Both organisms and their environment are affected by the interactions between them
-Energy flows through an ecosystem, usually entering as light and exiting as heat
Theme: Interactions - ✔️✔️-Interactions between the components of the system ensure
smooth integration of all parts to function as a whole
-Energy flows through an ecosystem, usually entering as light and exiting as heat
-Feedback regulation~ the output or product of a process regulates that very process
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, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Monday, July 29, 2024 12:15 PM
Theme: Evolution - ✔️✔️-Change in gene frequency overtime
-Connected to all other unifying themes and branches of biology.
-Species (NOT individual organisms) change over time.
3 Domains of Life - ✔️✔️Bacteria, Archaea, Eukarya
Bacteria - ✔️✔️Prokaryote (no nucleus), single celled, most ancient lineage
Archaea - ✔️✔️Prokaryote (no nucleus), single celled, most ancient lineage,
evolutionarily closer to Eukarya
Eukarya - ✔️✔️Eukaryotic cells (with a nucleus)
~Includes the 3 eukaryotic kingdoms {fungi, plantae, animalia (multicellular)}
discovery science - ✔️✔️describes natural structures and processes based on
observation and analysis of data
hypothesis-based science - ✔️✔️Observations can lead us to ask questions and propose
hypothetical explanations called hypotheses
-Statements NOT questions
-Must be testable and falsifiable
*We don't prove anything in science*
Quantitative - ✔️✔️Data that is in numbers
~possibly tables and charts
Qualitative - ✔️✔️Descriptions~ no numbers
inductive reasoning - ✔️✔️draws conclusions through the logical process of induction
-specific observations THEN draws a general conclusion
deductive reasoning - ✔️✔️uses general premises to make specific predictions
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