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Questions and Answers
What is the scientific study of life and living organisms?
What is the scientific study of life and living organisms?
Which branch of biology studies the interactions between organisms and their environment?
Which branch of biology studies the interactions between organisms and their environment?
What is the study of the chemical processes that occur within living organisms?
What is the study of the chemical processes that occur within living organisms?
What are the biological molecules that provide energy and structure for organisms?
What are the biological molecules that provide energy and structure for organisms?
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What are the complex molecules that perform a wide range of functions in organisms?
What are the complex molecules that perform a wide range of functions in organisms?
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What are the basic units of life?
What are the basic units of life?
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What is the study of the structure, function, and interactions of biological molecules?
What is the study of the structure, function, and interactions of biological molecules?
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What is the study of microorganisms, such as bacteria, viruses, and other microbes?
What is the study of microorganisms, such as bacteria, viruses, and other microbes?
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What is the primary function of cell division?
What is the primary function of cell division?
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Who proposed the theory of evolution through natural selection?
Who proposed the theory of evolution through natural selection?
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What is the process by which new species emerge from existing ones?
What is the process by which new species emerge from existing ones?
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What are the two main components of an ecosystem?
What are the two main components of an ecosystem?
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What is the process by which energy is transferred from one organism to another?
What is the process by which energy is transferred from one organism to another?
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Study Notes
Definition and Scope
- Biology is the scientific study of life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy.
- It explores the diversity of life, from molecules to ecosystems, and examines the interactions between organisms and their environment.
Branches of Biology
- Botany: study of plants, including their structure, growth, evolution, classification, and interactions with the environment.
- Zoology: study of animals, including their structure, behavior, evolution, classification, and interactions with the environment.
- Microbiology: study of microorganisms, such as bacteria, viruses, and other microbes, including their structure, function, and interactions with the environment.
- Ecology: study of the interactions between organisms and their environment, including the relationships between organisms and their physical surroundings.
- Genetics: study of heredity, genes, and genetic variation, including the transmission of traits from one generation to the next.
- Biochemistry: study of the chemical processes that occur within living organisms, including the structure and function of biomolecules.
- Molecular Biology: study of the structure, function, and interactions of biological molecules, such as DNA, RNA, and proteins.
Biological Molecules
- Carbohydrates: sugars, starches, and cellulose, which provide energy and structure for organisms.
- Proteins: complex molecules that perform a wide range of functions, including enzymes, hormones, and structural proteins.
- Lipids: fats, oils, and waxes, which provide energy and structure for organisms.
- Nucleic Acids: DNA and RNA, which contain the genetic information necessary for life.
Cell Biology
- Cell Structure: cells are the basic units of life, consisting of a plasma membrane, cytoplasm, and genetic material.
- Cellular Processes: cells carry out a variety of functions, including metabolism, growth, reproduction, and response to stimuli.
- Cell Division: cells divide to produce new cells through mitosis or meiosis.
Evolution
- Charles Darwin: proposed the theory of evolution through natural selection, which explains how species adapt and change over time.
- Natural Selection: the process by which individuals with favorable traits are more likely to survive and reproduce, passing those traits on to their offspring.
- Speciation: the process by which new species emerge from existing ones.
Ecosystems
- Ecosystem Components: living organisms (biotic factors) and non-living components (abiotic factors) interact to form ecosystems.
- Energy Flow: energy is transferred from one organism to another through food chains and food webs.
- Nutrient Cycling: nutrients are cycled through ecosystems, including nitrogen, carbon, and water.
Definition and Scope
- Biology is the study of life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy.
Branches of Biology
- Botany studies plants, including their structure, growth, evolution, classification, and interactions with the environment.
- Zoology studies animals, including their structure, behavior, evolution, classification, and interactions with the environment.
- Microbiology studies microorganisms, such as bacteria, viruses, and other microbes, including their structure, function, and interactions with the environment.
- Ecology studies the interactions between organisms and their environment, including the relationships between organisms and their physical surroundings.
- Genetics studies heredity, genes, and genetic variation, including the transmission of traits from one generation to the next.
- Biochemistry studies the chemical processes that occur within living organisms, including the structure and function of biomolecules.
- Molecular Biology studies the structure, function, and interactions of biological molecules, such as DNA, RNA, and proteins.
Biological Molecules
- Carbohydrates provide energy and structure for organisms, and include sugars, starches, and cellulose.
- Proteins perform a wide range of functions, including enzymes, hormones, and structural proteins.
- Lipids provide energy and structure for organisms, and include fats, oils, and waxes.
- Nucleic Acids contain the genetic information necessary for life, and include DNA and RNA.
Cell Biology
- Cells are the basic units of life, consisting of a plasma membrane, cytoplasm, and genetic material.
- Cellular processes include metabolism, growth, reproduction, and response to stimuli.
- Cell division occurs through mitosis or meiosis, producing new cells.
Evolution
- Charles Darwin proposed the theory of evolution through natural selection.
- Natural Selection is the process by which individuals with favorable traits are more likely to survive and reproduce, passing those traits on to their offspring.
- Speciation is the process by which new species emerge from existing ones.
Ecosystems
- Ecosystems consist of living organisms (biotic factors) and non-living components (abiotic factors) that interact.
- Energy flows through ecosystems via food chains and food webs.
- Nutrients are cycled through ecosystems, including nitrogen, carbon, and water.
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Description
Explore the basics of biology, including the study of life, living organisms, and their interactions with the environment. Discover the diversity of life and the branches of biology.
