Questions and Answers
What is biology? - answer- the scientific study of life
Biologists ask questions such as - answer- How does a single cell develop into an
entire complex organism?
How does a virus attach to and enter cells?
How do living things interact in communities?
Theme: The study of life can be divided into different levels of biological organization
- answer- 1. Atoms
2. Molecules and macromolecules
3. Cells
4. Tissues
5. Organs
6. Organism
7. Population
8. Community
9. Ecosystem
10.Biosphere
Theme: There are 7 key features of life - answer- 1. Cells and organization
2. Energy use and metabolism
3. Response to environmental change
4. Regulation and homeostasis
5. Growth and development
6. Reproduction
7. Biological evolution
Structure and function are correlated at all levels of biological organization - answer-
Seagull as an example of form fitting function
Theme: Cells are an organism's basic units of structure and function - answer- The
cell is the lowest level of organization that can perform all activists required for life
All cells: - answer- are enclosed by a membrane and use DNA as their genetic
information
The ability of cells to divide - answer- the basis of all reproduction, growth, and repair
of multicellular organisms
Eukaryotic cells vs Prokaryotic cells - answer- Eukaryotes: generally much larger
than prokaryotic cells, has a nuclear, contain membrane- bound organelles
Prokaryotes: simpler and usually smaller, does not contain a nucleus or other
membrane-enclosed organelles