College

13. What is the basic unit of life?
A. Atom
B. Cell
C. Molecule
D. Organism

14. What is the definition of biology?
A. The study of chemical reactions
B. The scientific study of life and living organisms
C. The exploration of mathematical theories
D. The study of inanimate objects

15. Which are the main branches of biology?
A. Botany
B. Zoology
C. Microbiology
D. Ecology
E. All

16. When a biologist shares her research findings with other fellow biologists, she is:
A. Drawing her conclusion
B. Analyzing her data
C. Making her hypothesis
D. Reporting her results

17. The step of the scientific method which comes after analyzing results and drawing conclusions is:
A. Constructing a hypothesis
B. Doing background research
C. Accepting or rejecting the hypothesis
D. Designing and carrying out experiments

18. Which one of the following pairs of biological tools and their functions is true?
A. Balances - used for measuring mass
B. Petri dish - used for culturing microorganisms
C. Optical microscope - uses a beam of light to produce a magnified image
D. All

19. Which of the following is not a property of life?
A. Populations of organisms rarely change over time
B. Living things exhibit complex but ordered organization

Answer :

Final answer:

The basic unit of life is the cell, and biology is defined as the scientific study of life and living organisms. Key branches of biology include botany, zoology, and microbiology, among others. When reporting results and communicating findings, biologists adhere to the scientific method to progress their understanding of life's properties and processes.


Explanation:

Basic Units of Life and Biology Defined

The basic unit of life is the cell (option B). Cells are the smallest structural and functional units of living organisms, and they compose all living things, from single-celled bacteria to complex multicellular organisms like plants and animals. This is a fundamental concept in biology, which is defined as the scientific study of life and living organisms (option B) including their structure, function, growth, evolution, distribution, and taxonomy.

Main Branches of Biology and Research Communication

Biology includes several branches, such as botany (studying plants), zoology (studying animals), microbiology (studying microorganisms), and ecology (studying interactions among organisms and their environments). The correct answer here is All (option E). When biologists share their research findings with other scientists, they are reporting their results (option D), which is a crucial part of the scientific process.

Scientific Method Steps

After analyzing results and drawing conclusions, the next step in the scientific method involves accepting or rejecting a hypothesis (option C). This process requires rigorous testing and validation of ideas presented in scientific inquiries.

Biological Tools and Life Properties

A biological tool like a balance, used for measuring mass, or a Petridish, used for culturing microorganisms, are essential in biology, making All (option D) correct in pairing tools with their functions. Also, a significant property of life includes that populations of organisms do not rarely change over time (option A), which fundamentally relates to evolution and adaptation in biology.


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