1. OAKS Prep

2. Wednesday April 9th 2014 Welcome! Take out your review
packet and pick up your
practice test from the front
counter.
Review your test and work on making sure your self- assessment (yellow page) is complete.

3. Crust and mantle……..
How far is it from the surface to the center of the earth?
6371km
The Earth’s crust is _________ km thick.
100 or 5-70km
The inner core is made from iron and ________.
Nickle
The plastic-like layer of the Earth is called the ___________.
Mantle/ Asthenosphere
The innermost layer of the Earth is the ____________.
Inner Core

4. Day 2- Ecosystems, Natural Selection and Natural Resources

5. Living things on Earth interact.

6. Kingdoms of Life
Open to page 7 in your review packet

7. Kingdoms of Life How do we classify life? The number of cells
The type of nucleus in their cells
How they eat
Unicellular has only one cell per being
Example- Archaea, Bacteria, Protista
Multicellular has many cells per being
Example- Fungi, Plantae, Animalia

8. Kingdoms of Life Prokaryotic = no membrane around the nucleus
Example- Archaea, Bacteria
Eukaryotic= do have a membrane around the nucleus
Example- Protista, Fungi, Plantae, Animalia
Autotroph= can make their own food
Example- Archaea, Bacteria, Protista, Plantae
Heterotroph= must get there food from others
-Example- Bacteria, Protista, Fungi, Animalia

9. Kingdoms of Life
If you were asked to classify an organism that is multicellular and autotrophic, in which Kingdom might you place it?
Plantae

10. Kingdoms of Life
If your mystery organism is unicellular and prokaryotic, into which two Kingdoms might you place it?
Archaea or Bacteria

11. Kingdoms of Life
If the mystery organism is multicellular, eukaryotic and heterotrophic, it could belong to which twoKingdoms?
Fungi and animalia

12. Types of Plants and Animals
* Monocot= grass (means 1 leaf)
Dicot= most everything else (means at least 2 leaves)

13. Types of Plants and Animals
Conifer = reproduces with seeds in cones, usually has needles, usually green all year.

14. Types of Plants and Animals
Deciduous- has leaves that usually change color and fall during autumn; reproduces with seeds, fruit and flowers.

15. Types of Plants and Animals
Arthropods= animals with jointed legs and exoskeletons.

16. Types of Plants and Animals
Reptiles= reproduce by laying eggs, are covered in scaly skin, and are cold- blooded.

17. Types of Plants and Animals
Birds= reproduce by laying eggs, have feathers, many can fly, cold blooded.

18. Types of Plants and Animals
Amphibians = reproduce by laying eggs, can live on land and in the water, go through metamorphosis.

19. Types of Plants and Animals
Mammals- reproduce with live births, are covered in hair, warm blooded.

20. Types of Plants and Animals
Fish- have scales, bones, gills, and are cold blooded.

21. Ecosystems
An ecosystem is a community of living organisms.

22. Ecosystems provide resources.
All life needs…..
Food
Shelter
Water
Space
….to survive.

23. Natural Resources Are materials we use/need to survive.
Some are renewable, like wood and oxygen
Some are nonrenewable, like oil

24. Natural Selection
Why do these birds have different beaks?

25. Natural Selection
When biological traits become more or less common in a population based on the environment the organism lives in.

26. Food Webs
In a ecosystem living things are connected by who they eat and who eats them.

27. Food Webs

28. Food Webs

29. Practice Questions
Which of the following would be considered a nonrenewable resource?
A. sand B. ferns
C. coal D. fresh water
Answer- C

30. Practice Questions Which organism would be considered an autotroph?
A. tomato plant B. giraffe
C. mushroom D. toad
ANSWER- A

31. Practice Questions
In the food web below, which organism would be considered a secondary consumer?
A. Hawk B. Snake
C. Mouse D. Grass
ANSWER- B