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Questions and Answers
What is the primary focus of biology as a scientific discipline?
What is the primary focus of biology as a scientific discipline?
- The examination of chemical reactions in non-living substances
- The study of physical processes in the universe
- The study of living organisms and their interactions (correct)
- The investigation of historical events and artifacts
Which of the following best describes a living organism?
Which of the following best describes a living organism?
- Any object that has mass and occupies space
- An entity that can undergo photosynthesis and produce energy
- A system composed of organic and inorganic materials
- A structured system that can grow, reproduce, and respond to stimuli (correct)
Which of the following disciplines is closely related to biology?
Which of the following disciplines is closely related to biology?
- Astrophysics
- Geology
- Anthropology
- Microbiology (correct)
What is one of the key methods used in biological research?
What is one of the key methods used in biological research?
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Which of the following statements about ecosystems is true?
Which of the following statements about ecosystems is true?
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Study Notes
Primary Focus of Biology
- Biology primarily investigates living organisms and their interactions with the environment.
- It encompasses various aspects including structure, function, growth, origin, evolution, and distribution of life.
Description of a Living Organism
- A living organism is characterized by the ability to grow, reproduce, respond to stimuli, and maintain homeostasis.
- It is composed of one or more cells, which are the basic units of life.
Disciplines Related to Biology
- Several disciplines relate closely to biology, including:
- Biochemistry: Focuses on the chemical processes within organisms.
- Ecology: Studies interactions between organisms and their environments.
- Genetics: Examines heredity and variation in living organisms.
Key Methods in Biological Research
- Observational techniques are a key method used in biological research to gather data about organisms' behaviors and environments.
- Experimental methods, including controlled experiments, are also essential for testing hypotheses.
Truths About Ecosystems
- Ecosystems are defined as communities of living organisms interacting with their physical environment.
- They consist of biotic (living) and abiotic (non-living) components and their interactions determine energy flow and nutrient cycling.
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