6 Questions
What are the eight features of living organisms?
Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition, Metabolism
What is the binomial naming system composed of?
Genus + species
List the classification system in order from the highest to the lowest level.
Kingdom, Phylum, Class, Order, Family, Genus, Species
What is the basis of classification in terms of body structure?
Morphology (overall shape of body) and Anatomy (detailed body structure)
What is the difference between analogous and homologous structures in plants?
Analogous structures perform similar functions but have different origins, while homologous structures have the same origin but may perform different functions.
What are the four bases of classification?
Body structure, DNA, Cell types, Ecological roles
Study Notes
Characteristics of Living Organisms
- Living organisms exhibit eight features: organization, metabolism, homeostasis, growth and development, reproduction, response to stimuli, evolution, and adaptation.
Binomial Nomenclature
- The binomial naming system, also known as the binomial system, is composed of two parts: genus and species.
Classification System
- The classification system, from highest to lowest level, consists of: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species.
Basis of Classification
- The basis of classification in terms of body structure is morphology, which involves the study of the shape, size, and arrangement of body parts.
Analogous and Homologous Structures
- Analogous structures are those that have similar functions but different origins, whereas homologous structures are those that have a common origin but may have different functions.
Bases of Classification
- The four bases of classification are: morphological characteristics, anatomical features, embryological development, and molecular characteristics.
Prepare for your IGCSE Biology exam by revising the characteristics and biological classification of organisms. This quiz covers the features of living organisms, biological classification system, and the basic units of life.
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