What does the term 'Biology' mean and where does it come from?
Biology means the study of life, from Greek bios (life) and logos (thought).
Which historical figure wrote History of Animals in 343 BC?
Aristotle wrote History of Animals in 343 BC.
Who first used the term 'biology' and in which year?
Linnaeus first used the term biology in 1736.
What major biological theory did Darwin publish in 1859?
Darwin published the theory of natural selection in 1859.
Who discovered dioxygen and respiration in 1774?
Priestley discovered dioxygen and respiration in 1774.
What concept did Bernard introduce in 1865?
Bernard introduced the concept of homeostasis in 1865.
Which scientist synthesized urea in 1828?
Wöhler synthesized urea in 1828.
What did Woese complete in 1977?
Woese completed the phylogenetic tree in 1977.
What defines a living thing's autonomy?
A living thing is autonomous, functioning independently.
Which essential properties characterize living things?
Development, metabolism, movement, reproduction, and response to information.
What is metabolism in living things?
Metabolism is the set of chemical reactions transforming energy and matter.
How do living things evolve across generations?
Living things evolve as a consequence of their essential properties.
What interaction do living things have with their environment?
They interact with their external environment.
What state do living things maintain internally?
They maintain regulated states of equilibrium.
What type of organization do living things possess?
They possess ordered organization.
What is a cell in biological terms?
The most evident unit of life with cytoplasm and a plasma membrane.
What role do enzymes play in living organisms?
They catalyze practically all biochemical reactions.
What function do coenzymes like ATP serve in metabolism?
They act as metabolic intermediates.
What is the central role of DNA in living organisms?
It is an informational molecule capable of replication and reproduction.
On what does movement rely in animals?
Muscle cells and cytoskeletal proteins like actin, myosin, and microtubules.
What does the relationship between structure and function imply in biology?
A structure’s organization enables a particular function.
Give an example of a biological structure enabling a specific function.
A sensory organ enables information reception.
What is an emergent property in biological organization?
A property arising from interactions among constituents, not reducible to their sum.
What is the smallest level in biological organization?
The molecular level.
What is the largest level in biological organization?
The biosphere level.
What defines a population in biology?
A set of individuals of the same species interacting within a territory.
What components make up an ecosystem?
Groups of different species and their environment within an area.
What is the biocenosis in an ecosystem?
The groups of living organisms of different species.
What is the biosphere in biological terms?
All living organisms on Earth and their relationships with environments.
At which levels do interactions occur in biological systems?
Among molecules, cells, organs, organisms, and higher organizational levels.
What flows are generated by interactions in biological systems?
Flows of matter, energy, and information.
How does an integrated approach study biological problems?
By considering interactions across all organizational levels.
What does a reductionist approach focus on in biology?
Studying a biological problem precisely at one selected level.
Why does studying increased atmospheric CO2 effects on photosynthesis require scale changes?
Because it involves the atmosphere, the organism, and cellular processes.
Which molecules do all living things share?
DNA and proteins.
What common feature do many multicellular organisms share?
A common body plan.
What does biodiversity include?
Diversity of nucleotide sequences, protein forms, cell types, organisms, species, individuals, and population functions.
What does the unity of living things indicate about their ancestry?
They descend from common ancestors.
How is the relationship among living things represented?
By phylogenetic trees.
What causes the complexity of living systems?
Multiple organizational levels, constituents, their interactions, and system diversity.
Test your knowledge with 17 questions on The Logic of Living Systems.
1. What does biology study, and what do the Greek roots of the term mean?
2. Which milestone is correctly matched with its historical contribution?
Review the complete course in the study sheet for The Logic of Living Systems.
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