1. Life Science Chapter 1 Flashcards

2. Organism  A living thing  Something that has all of the characteristics of life

3. Cell  The basic unit of life

4. Unicellular  An organism that is made up of 1 cell

5. Multicellular  Organisms that are made up of more than one cell

6. Homeostasis  The ability of an organism to keep internal conditions stable, no matter what is changing in the environment

7. What are the characteristics of life?  Response to stimuli  Homeostasis  Reproduction  Organized  Use energy  Grow and develop  Adapt and evolve

8. What is organization?  Parts do specific jobs to make the whole organism work  Atoms  organisms

9. What is growth? What is development?  Growth=getting bigger  Development=changes that happen during lifetime

10. What is reproduction?  Making babies

11. What is stimulus? What is a response?  Stimulus=something that causes a response  Ball thrown  Response=the reaction  Blinked

12. Where does all energy ultimately come from?  The sun  Even meat-Animal ate animals that ate plants that got their energy from the sun

13. Binomial nomenclature  2-word naming system for organisms

14. Species  Closely related organisms that can mate and have fertile offspring

15. Genus  Closely related species

16. Dichotomous Key  Tool for identifying organisms  2 options

17. Cladogram  Branching diagram showing evolutionary relationships between organisms

18. Parts of scientific name  Genus species

19. 6 Kingdoms  Animalia  Plantae  Fungi  Protista  Archaea  Bacteria

20. 3 Domains  Eukarya (Animalia, Plantae, Fungi, Protista)  Bacteria (Bacteria)  Archaea (Archaea)

21. Why use scientific names?  Universal names  Avoids confusion over organisms  Very specific

22. Why is Carolus Linnaeus important?  Kingdoms  Binomial nomenclature

23. Classification levels  Domain  Kingdom  Phylum  Class  Order  Family  Genus  Species

24. Scientific names of humans and favorite animal-Write correctly  Homo sapiens  Dracorex hogwartsia

25. 3 Rules for Scientific Names  1. 1 st word capitalized  2. 2 nd word lowercase  3. Both names underlined