Science

1. Which of the following characteristics of the Arctic rabbit is specifically an adaptation to living in the tundra?

A. small size
B. keen eyesight
C. strong legs
D. white fur***

2. According to the continental drift theory, which of the following land regions should show the greatest similarities in fossil types?

A. east coast of South America and west coast of Africa***
B. eat coast of Africa and west coast of South America
C. northern coast of South America and southern coast of Eurasia
D. northern coast of Africa and southern coast of South America

3. Which set of words below could be used to describe the dispersal of seeds to a new region?

A. wings, legs, migration
B. invasive, exotic, continental drift
C. biogeography, adaptation, survival
D. wind, water, animal feces***

4. Which of the following describes an example of a potentially invasive species?

A. Fruit covered with fruit fly eggs is trucked from Mexico to Canada.***
B. Racehorses are shipped by boat from New York to London.
C. Coffee beans in burlap bags are flown from Africa to the U.S.
D. Tropical fish captured in an Indonesian river are packed on ice and shipped to a Seattle restaurant.

5. What is the major difference between ectotherms and endotherms?

A. whether or not the animal builds nests on land
B. whether or not the animal has been found on several continents
C. whether or not the animal maintains a constant body temperature***
D. whether or not the animal is classified as a vertebrate

6. Which of the following organisms needs salt in its environment to survive?

A. a squirrel
B. a shark***
C. a frog
D. a cactus

7. Which land biome has the greatest diversity of plant species, and which has the least?

A. grassland: most; tundra: least
B. rain forest: most; taiga: least
C. rain forest: most; tundra: least***
D. temperate forest: most; taiga: least

8. Which abiotic factor is essential to all aquatic ecosystems except ocean hydrothermal vents, and why?

A. phytoplankton, because it provides a source of food
B. salt, because it provides a source of minerals
C. deep water, because it provides the necessary environment for organisms to move about
D. sunlight, because it provides a source of energy***

9. Water availability and temperature distinguish land biomes as _________ distinguishes aquatic biomes.

A. carbon dioxide concentration
B. salt concentration
C. oxygen level***
D. phytoplankton abundance

10. A plant native to a desert in the Southwest U.S. is transplanted to the tundra region. The plant dies a few weeks after being moved. Which of the following factors in its new location could have been critical to its inability to survive the move?

A. temperature***
B. amount of shade
C. water availability
D. carbon dioxide availability

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  1. 1. Correct.
    2. I don't know.
    3. Yes.
    4. I think so.
    5. Not sure

    1. 👍 0
    2. 👎 0
  2. 6. I think so.
    7. I agree
    8. ?
    9. ?
    10. I agree.

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