IB BIOLOGY: CLASSIFICATION KEY
PREDICTED FINAL TEST 2026
QUESTIONS WITH CORRECT
ANSWERS GRADED A+
◍ What is the study of the science of life called?.
Answer: Biology
◍ Taxonomy.
Answer: The science of naming and classifying organisms
◍ Why classify?.
Answer: 1. Biologists can specify that everyone is discussing the same
organism by using a scientific name2. To organize organisms into groups
that have biological significance and more importantly their evolutionary
relationships
◍ Who are scientists that study living things?.
Answer: Biologists
◍ What term is used to refer to a living thing?.
Answer: Organism
◍ Carl Linnaeus.
Answer: 18th CenturyCreated a hierarchy to name, organize lifeIdentified
species as those organisms that have shared traits = morphology and
unchanging
◍ Biological Species Concept.
Answer: A group of organisms that can successfully interbreed and produce
fertile offspring
, ◍ Binomial Nomeclature.
Answer: Latin for two namesTyped in italics, written underlinedGenus
name, species name
◍ List three fields of study within biology..
Answer: Histology, Ornithology, Anatomy
◍ Linnaeus's Hierarchy of Classification.
Answer: Domain-Kingdom-Phylum-Class-Order-Family-Genus-SpeciesDomain
was added later
◍ What are the characteristics of life?.
Answer: Cells, Nutrition, Respiration, Excretion, Growth and Development,
Movement, Reproduction, Sensitivity, Adaptability
◍ What is the basic structural, functional, and biological unit of all known
living organisms?.
Answer: Cell
◍ Taxon.
Answer: Each level of the hierarchy of classification
◍ What is the process by which organisms take in food and convert it into new
protoplasm?.
Answer: Nutrition
◍ 3 Domains.
Answer: Eukaryota, Bacteria, Archaea
◍ Prokaryotes of 3 Domains.
Answer: Bacteria, Archaea
◍ What is respiration in living organisms?.
Answer: The oxidation of food substances to release energy for cell
activities
◍ What are excretory products?.
Answer: Substances that must be removed from the organism, such as
carbon dioxide, water, mineral salts, and nitrogenous waste
PREDICTED FINAL TEST 2026
QUESTIONS WITH CORRECT
ANSWERS GRADED A+
◍ What is the study of the science of life called?.
Answer: Biology
◍ Taxonomy.
Answer: The science of naming and classifying organisms
◍ Why classify?.
Answer: 1. Biologists can specify that everyone is discussing the same
organism by using a scientific name2. To organize organisms into groups
that have biological significance and more importantly their evolutionary
relationships
◍ Who are scientists that study living things?.
Answer: Biologists
◍ What term is used to refer to a living thing?.
Answer: Organism
◍ Carl Linnaeus.
Answer: 18th CenturyCreated a hierarchy to name, organize lifeIdentified
species as those organisms that have shared traits = morphology and
unchanging
◍ Biological Species Concept.
Answer: A group of organisms that can successfully interbreed and produce
fertile offspring
, ◍ Binomial Nomeclature.
Answer: Latin for two namesTyped in italics, written underlinedGenus
name, species name
◍ List three fields of study within biology..
Answer: Histology, Ornithology, Anatomy
◍ Linnaeus's Hierarchy of Classification.
Answer: Domain-Kingdom-Phylum-Class-Order-Family-Genus-SpeciesDomain
was added later
◍ What are the characteristics of life?.
Answer: Cells, Nutrition, Respiration, Excretion, Growth and Development,
Movement, Reproduction, Sensitivity, Adaptability
◍ What is the basic structural, functional, and biological unit of all known
living organisms?.
Answer: Cell
◍ Taxon.
Answer: Each level of the hierarchy of classification
◍ What is the process by which organisms take in food and convert it into new
protoplasm?.
Answer: Nutrition
◍ 3 Domains.
Answer: Eukaryota, Bacteria, Archaea
◍ Prokaryotes of 3 Domains.
Answer: Bacteria, Archaea
◍ What is respiration in living organisms?.
Answer: The oxidation of food substances to release energy for cell
activities
◍ What are excretory products?.
Answer: Substances that must be removed from the organism, such as
carbon dioxide, water, mineral salts, and nitrogenous waste
