Introduction Flashcards
1
Q
What is the science of life?
A
Biology
2
Q
What are the characteristics of “life”?
A
- reproduce
- adapt
- respond to stimuli
- metabolize
- regulation (homeostasis)
- cells
- growth & development
3
Q
Even though viruses replicate and adapt to their environment, why then aren’t they considered living?
A
they do not metabolize, can’t reproduce without a host
Khan:
4
Q
What are the Biological Levels?
A
(in order)
1. Biosphere
2. Ecosystem
3. Community
4. Population
5. Organism
6. Organ system
7. Organ
8. Tissue
9. Cells
10. Organelle
11. Molecules
5
Q
What comes after cells in the biological levels?
A
organelles
6
Q
What comes after ecosystem in biological levels?
A
Community
7
Q
What is a population?
A
group of same species
8
Q
What are organs made of?
A
tissues
