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BIOLOGY 123 EXAM 1 QUESTIONS WITH COMPLETE VERIFIED SOLUTIONS 2024/2025, Exams of Biology

BIOLOGY 123 EXAM 1 QUESTIONS WITH COMPLETE VERIFIED SOLUTIONS 2024/2025

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2024/2025

Available from 09/10/2024

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Download BIOLOGY 123 EXAM 1 QUESTIONS WITH COMPLETE VERIFIED SOLUTIONS 2024/2025 and more Exams Biology in PDF only on Docsity! BIOLOGY 123 EXAM 1 QUESTIONS WITH COMPLETE VERIFIED SOLUTIONS 2024/2025 What are the 5 characteristics of life? 1. respond 2. Reproduce 3. Gross & Develop 4. Adaptations 5. Obtain & use energy What is the lowest level of organization? Atomic of Molecular Level - As Molecules come together and interact they form organelles or structures within the cell. What are the 2 types of Cells? Single celled organisms & Multicellular organisms What is the lowest level of life considered alive? Cell How is an organ formed? When two or more tissues work together to perform a specific job. What forms an organ system? When 2 or more organs and or structures work together to carry out functions they form a organ system. Define a population A population is a group of organizms of the same species living together in one area Define a community Different species living together in the same area How can we refer to the ecosystem? The relationship between a community and its physical enviorment. Define Biome A Major division of the earths surface largely determined by climate but characterized by the plants and animals inhabiting it. What makes up the biosphere? All regions on the planet inhabited by organisms. Where does all energy come from? The sun What does light energy convert into? A Chemical energy form, such as starch or sugar by the process of photosynthesis. Plant eating organisms are known as? Herbivores Meat eating organisms are known as? Carnivores What is Metabolism? All the chemical reactions necessary to extract the enrgy stored in food and the chemical reactions that use the energy released to perform the activites of life. ATP stands for Adenosine Triphosphate - It is released in a special molecule during metabolism. This Molecule is able to carry and transport the energy within the cell. Define Homeostasis The abililty to maintain a relatively constand internal enviorment while the external enviorment may change. Give at least 3 examples of Homeostasis Body Temperature Maintaining 98.6 Childbirth Contractions The body sweating in order to cool off. State the levels of Bioloical organizations from Atoms---> Biosphere Atoms, Molecule, Cell, Tissue, Organ, Organ System, Oganism, Population, Community, Ecosystem, Biosphere. Define Natural Selection. Natural selection refers to the survival of organisms that have an advantage over other organisms. Usually due to genetic changes that allow adaption in the enviorment easier passed to subsequent organisms. What is the flow of energy? Sun->Plants->Herbivores->Carnivores. All Living things can be grouped into three______? Domains Name the three Domains Archaea (Prokaryotes) Bacteria (Prokaryotes) Eukarya (Eukaroytes) What are the four kingdoms within Eukarya? 1.Protista 2.Fungi