2. Hosted by Ms. Bologna

3. 100 200 400 300 400 Biodiversity Mix it up! Dicot. keys 3Adaptations 300 200 400 200 100 500 100

4. Row 1, Col 1 (Type the question for 1,1 here.)? 1. If an ecosystem has high biodiversity, and one species goes extinct, then... (2 points) a.Many other species in the ecosystem will go extinct, also. b.The ecosystem will not change very much. c.The ecosystem will change greatly (for example, a forest will become a desert). d.Everything in the ecosystem will go extinct.

5. 1,2 (Type the question for 1,2 here.)? 2. A biologically diverse area has (2 points) A.A few different kinds of living things B.No living things C.A large number of one kind of living thing D.Many different kinds of living things

6. 1,3 Which Ecosystem is MOST diverse 3.

7. 1,4 (Type the question for 1,4 here.)? 4. Which of these is NOT evidence of biodiversity? (2 points) A.many different kinds of organisms help pollinate flowering plants B.more than 1,000 species live on Earth today a small area C.in the Ecuadoran rain forest contains more than 1,100 kinds of trees D.human beings live in every continent on Earth

8. 2,1 (Type the question for 2,1 here.)? 5. Black bears roam over large territories. What effect would building shopping centers in these territories have on the bears? (2 points) A.Promote an increase in black bear reproduction B Introduce a new bear population to the area C. Reduce the black bears habitat D. Stabilize the black bear population

9. 2,2 (Type the question for 2,2 here.)? 6.Some organizations are buying up sections of forest land. Once purchased, these sections of forest will never be cut down. The main reason for protecting these sections of forest is to A.cause the extinction of undesirable animal species B.maintain the diversity of the living environment C.prevent these trees from reproducing too fast D.provide more land for agricultural purposes

10. 2,3 (Type the question for 2,3 here.)? 7.Which of the following materials is composed of only one kind of atom? A. Water B. Helium C. Air D. Sugar

11. 2,4 (Type the question for 2,4 here.)? 8. Carbohydrates are made of carbon, hydrogen, and oxygen. What are carbon, hydrogen, and oxygen? A. molecules B. elements C.compounds D. mixtures

12. 3,1 (Type the question for 3,1 here.)? 9.

13. 3,2 10. To which of the following questions will most help determine if a plant is from species Pinus banksiana or Larix laricina? A. Are the leaves in groups or clusters? B. Are the leaves needle shaped or non-needle shaped? C. Are the leaves single or in clusters? D. Are leaves single or in groups? estion for 3,2 here.)?

14. 3,3 From the data given in this table, which characteristics help classify the seashells as belonging to the Tellin family? F. Color, size, and hinge type G. Color, size, and water temperature H. Hinge type, location, and water temperature J. Size, hinge type, and location 11.

15. 12 (Type the question for 3,4 here.)?

16. 4,1 (Type the question for 4,1 here.)? 13.Zebras and giraffes are both herbivores that live in African savannas. The giraffe 痴 longer neck is an advantage because it allows the giraffe to ______. A. Hide in tall grass more easily than the zebra. B. Reach a different food source than the zebra. C. Stretch more to the light than the zebra. D. Root deeper into the soil than the zebra.

17. 4,2 (Type the question for 4,2 here.)? 14.There are many species of poison dart frogs that live in the rain forests. These frogs are poisonous and brightly colored. Some other frogs that live in the rain forest are not poisonous but are also brightly colored. How would looking like a poisonous dart frog help a non-poisonous frog survive? (2 points) A.It would help the frog blend with its environment. B.It would help the frog frighten predators. C.It would help the frog attract prey. D.It would help the frog find shelter.

18. 15 (Type the question for 4,3 here.)?

19. 16 Type the answer for 4,4 here. Explain if each frog is adapting by using camoflage or mimicry.

20. 17 (Type the question for 5,1 here.)?

21. 5,2 (Type the question for 5,2 here.)? 18. Sea otters and sea lions often swim in the waters of the Pacific Ocean with their flippers sticking above the surface of the water. At other times they may be on land with only their flippers in the water. What would these behaviors most likely accomplish? A.attracting mates B.confusing predators C.preventing dehydration D.regulating body temperature

22. 5,3 19. Which statement describes the reason for the difference in form between the two organisms? A.These two organisms raise offspring differently from each other. B.These two organisms have to find different types of food to survive. T C.hese two organisms compete against each other for the same habitat. D.These two organisms are adapted to be able to move in different environments. 19. Which statement describes the reason for the difference in form between the two organisms? A.These two organisms raise offspring differently from each other. B.These two organisms have to find different types of food to survive. T C.hese two organisms compete against each other for the same habitat. D.These two organisms are adapted to be able to move in different environments.

23. 5,4 20. What Adaptation would help animals live in marsh land?