Test Bank For Human Biology Concepts and
Current Issues 8th Edition Johnson
9780134042435 | All Chapters with
Answers and Rationals
Biology - answer-The branch of science that studies the natural world within the context of life.
Homeostasis - answer-The process by which living organisms maintain a fairly constant internal
environment despite changes in the external environment.
Molecules of life - answer-Include water, proteins, lipids, nucleic acids, carbohydrates.
Cells - answer-All living things are made up of at least one cell.
Metabolism - answer-Cells maintain life through the breakdown of molecules and energy by
chemical and physical processes.
Organism classification - answer-Criteria include the organism's life cycle, structure or body
plan, and mode of nutrition, excluding means of transportation.
Kingdom - answer-A major taxonomic rank in biology, with Animalia being an example.
Domain Eukarya - answer-Contains multicellular photosynthesizers in the Plantae kingdom.
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, Taxa - answer-Subgroups used in classification, with humans falling under Mammals.
Evolutionary advantage of bipedalism - answer-Frees the hands for carrying objects.
Level of organization - answer-From least to most complex: cells, tissues, organs, organ
systems, organism.
Tissues - answer-Group of cells with a similar function
Organs - answer-Structure composed of tissues working together
Organ Systems - answer-Group of organs functioning together
Organism - answer-Individual living being
Atoms - answer-Smallest unit of matter
Community - answer-Interacting populations in a specific area
Population - answer-Group of organisms of the same species in a specific area
Ecosystem - answer-Community interacting with the environment
Evolutionary Change - answer-Change in genetic composition over generations
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Current Issues 8th Edition Johnson
9780134042435 | All Chapters with
Answers and Rationals
Biology - answer-The branch of science that studies the natural world within the context of life.
Homeostasis - answer-The process by which living organisms maintain a fairly constant internal
environment despite changes in the external environment.
Molecules of life - answer-Include water, proteins, lipids, nucleic acids, carbohydrates.
Cells - answer-All living things are made up of at least one cell.
Metabolism - answer-Cells maintain life through the breakdown of molecules and energy by
chemical and physical processes.
Organism classification - answer-Criteria include the organism's life cycle, structure or body
plan, and mode of nutrition, excluding means of transportation.
Kingdom - answer-A major taxonomic rank in biology, with Animalia being an example.
Domain Eukarya - answer-Contains multicellular photosynthesizers in the Plantae kingdom.
1
, Taxa - answer-Subgroups used in classification, with humans falling under Mammals.
Evolutionary advantage of bipedalism - answer-Frees the hands for carrying objects.
Level of organization - answer-From least to most complex: cells, tissues, organs, organ
systems, organism.
Tissues - answer-Group of cells with a similar function
Organs - answer-Structure composed of tissues working together
Organ Systems - answer-Group of organs functioning together
Organism - answer-Individual living being
Atoms - answer-Smallest unit of matter
Community - answer-Interacting populations in a specific area
Population - answer-Group of organisms of the same species in a specific area
Ecosystem - answer-Community interacting with the environment
Evolutionary Change - answer-Change in genetic composition over generations
2
