1. Characteristics of Living Things ~Mrs. Connor

2. Six Characteristics of Living Things 1.Have one or more cells 2.Have DNA 3.It grows and develops 4.Has energy 5.It reproduces 6.It responds to stimulus HINT: One C Two D’s One E Two R’s

3. Four Basic Necessities of Life foodair water shelter

4. Organisms need ????? To help with chemical reactions WATER

5. stimulus When a duck dives under water, its inner eyelids automatically raise to cover the duck’s eyes. What is this called?

6. Organisms need food because… It’s a source of energy It supplies cells with oxygen Organisms never make their own food ALL OF THE ABOVE

7. homeostasis Maintaining a body temperature of 37 degrees C and a stable amount of sugar in your blood are both example of ….?

8. cheetah paramecium 1.Which reproduces sexually? 2.Which reproduces asexually? 3.Which one has DNA in it cells? asexual reproduction Sexual reproduction DNA

9. Organism’s Living Spaces Some organisms need small living spaces. Some organisms need LARGE living spaces. Some organisms compete with each over for living space.

10. all of the below Whose cells are made up of about 70% water? a.a camel b.a dragonfly c.a cactus

11. Cells are… 1.The structures that contain all of the materials necessary for life. 2.Found in all organisms 3.Generally too small to be seen with the naked eye. ALL OF THE ABOVE

12. Green plants, algae, and some bacteria need ___________ to produce food by photosynthesis. A. Oxygen B. Carbon Dioxide C. Nitrogen CARBON DIOXIDE

13. Air is composed of … 1.Only oxygen 2.Only of carbon dioxide 3.A mixture of gases 4.Only nitrogen DIFFERENT GASES

14. DEVELOPING A tadpole changing into a frog is an example of ______.

15. How do you know that a tree is a living thing? 1.It has cells 2.It has DNA 3.It grows and develops 4.It has energy 5.It makes leaves and reproduces 6.It responds to stimuli (cold)

16. a consumer… cannot make its own food; eats other things

17. a producer makes their own food

18. a decomposer breaks down the nutrients in dead organisms

19. Some activities that require energy …

20. How do you respond to a stimulus?

21. Organisms store energy in… lipids

22. nucleotides The subunits of nucleic acids are……….

23. Proteins After water, this is the most abundant material in a cell.

24. sugars Carbohydrates are a group of compounds made of…

25. Nucleic Acid DNA is a(n)………

26. Name two ways that these flowers meet the needs of another organism.