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BIO 101 – Biology Exam Review (2025/2026) | 120 Questions | Intro to Life, Cells, Ecology

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This document is a complete and high-yield review for BIO 101, covering essential material for Exam 1 in introductory biology. It consists of 120 well-organized questions and answers, providing in-depth explanations across a wide range of foundational biology topics. Designed in a direct Q&A format, it allows for rapid content review and efficient exam preparation. The layout supports active recall, making it ideal for mastering complex biological concepts in a short time. Topics include: The seven characteristics of life Levels of biological organization from atoms to biosphere The scientific method, including hypothesis formation, variables, graph interpretation, and the peer-review process Structure and function of carbohydrates, lipids, proteins, and nucleic acids DNA and RNA structures, and ATP’s role in cellular energy Animal behavior including classical and operant conditioning, imprinting, and communication Ecological relationships, such as symbiosis, energy flow, biogeochemical cycles, and population dynamics Who is this document for? University students enrolled in BIO 101 or similar introductory biology courses Pre-med, nursing, and health science majors needing a strong biology foundation High school students taking AP Biology or preparing for college-level exams Anyone preparing for midterms, finals, or standardized tests involving biology fundamentals This review aligns with most university biology curricula and ensures students are well-prepared for assessments by providing not just definitions, but examples and contextual understanding. Keywords: biology review, BIO 101, 2025 exam, life characteristics, biomolecules, scientific method, cell structure, DNA, RNA, ATP, protein levels, animal learning, ecological relationships, energy pyramid, population growth, biogeochemical cycles, symbiosis, university biology

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BIO 101
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Uploaded on
December 8, 2025
Number of pages
17
Written in
2025/2026
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BIO Exam 1 Review 2025/2026 Exam
Questions and Answers | A+ Score
Assured



Identify the 7 characteristics of life - 🧠 ANSWER ✔✔1. organized


2. acquire materials and energy

3. reproduce

4. respond to stimuli

5. maintain homeostasis

6. grow and develop

7. adapt to environment

,example of organization - 🧠 ANSWER ✔✔atoms make up molecules, which

make up cells, which make up tissues, and so on.


example of acquiring materials and energy - 🧠 ANSWER ✔✔a hummingbird

burns sugar quickly from nectar to power its fast wingbeats


example of homeostasis - 🧠 ANSWER ✔✔a lizard basks in the sun to warm

up and moves into shade to cool down


example of growth and development - 🧠 ANSWER ✔✔a frog grows from a

tadpole into an adult frog


example of reproduction - 🧠 ANSWER ✔✔penguins lay eggs and care for

their chicks


example of response to stimuli - 🧠 ANSWER ✔✔an owl turns its head when

it hears a rustling sound


example of adaptation to environment - 🧠 ANSWER ✔✔a chameleon

changing skin color to blend into surroundings


strengths of science - 🧠 ANSWER ✔✔it is publicly understandable, it is

antiauthoritarian, it is self-correcting, it is reliable, and it's predictive

, the levels of biological organization - 🧠 ANSWER ✔✔cell, tissue, organ,

organ system, organism, population, community, ecosystem, biome,

biosphere


natural selection - 🧠 ANSWER ✔✔A process in which individuals that have

certain inherited traits tend to survive and reproduce at higher rates than

other individuals because of those traits.


adaptation - 🧠 ANSWER ✔✔what something does to survive in an

ecosystem


examples of evolutionary adaptations - 🧠 ANSWER ✔✔camouflage in

animals and mimicry


3 domains of life - 🧠 ANSWER ✔✔bacteria, eukarya, archaea


4 kingdoms of eukaryotes - 🧠 ANSWER ✔✔protista, fungi, plantae,

animalia


difference between science and technology - 🧠 ANSWER ✔✔science:

creates new concepts




technology: creates new useful objects


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