1. What happens to an animal during hibernation?
A. The animal uses sunlight instead of food as an energy source.
B. The animal's body temperature rises.
C. The animal stops breathing.
D. The animal's body systems slow down to conserve energy.
2. Which is NOT an adaptive strategy used by polar animals?
A. Accumulating layers of blubber in their bodies as protection against the cold and as an energy source.
B. Living only on the highest mountain peaks to avoid being trapped by sea ice.
C. Migrating to warmer climates during the winter months.
D. Spending the winter months in hibernation.
3. This is an example of which food chain system?
A. Primary Producer ---> Heribivore ---> Predator.
B. Plant ---> Plant ---> Animal.
C. Producer ---> Producer ---> Consumer.
D. Producer ---> Predator --> Predator.
4. According to this model, Arctic Hares and Reindeer/Caribou are:
A. First level predators.
B. Primary producers.
C. Herbivores.
D. Apex predators.
5. Which statement BEST explains why phytoplankton are found only near the surface?
A. Phytoplankton need warm water to survive.
B. Phytoplankton need access to the sunlight energy to sustain their life cycle.
C. Phytoplankton can identify their food source better in the sunlight.
D. Animals will eat phytoplankton below 150 m.
6. To ensure that her science experiment is conducted properly, Sally should:
A. Also measure the temperature of the air inside the paper.
B. Use a fan to evaporate the water faster.
C. Weigh the water cup at the start and end of the experiment.
D. Conduct a control experiment with no shredded paper to insulate the cup.
7. What is M.J. trying to find out?
A. If the thermometers are accurate.
B. How fast the water evaporates.
C. If Material 1 has insulating properties.
D. If Material 1 absorbs water.
8. Based on the information in these cards, which of the following statements is NOT true?
A. Salmon sharks may be competing with seals for food sources.
B. Sharks and seals are both marine mammals because they are warm-blooded.
C. Only seals are marine mammals because they are warm-blooded, bear live young, and nurse their pups.
D. Salmon sharks grow bigger than harbor seals.
9. Which of the following observations is NOT supported by this data?
A. The Shrimp population declined sharply after 1979.
B. The Flatfish population increased after 1980.
C. Pollock/Cod represents the main species in 1972-1979.
D. After 1979, Flatfish and Pollock/Cod became prevalent species in the Gulf.
10. Which statement BEST predicts how the ecosystem will react if salmon sharks are removed?
A. Sharks removal will not affect the ecosystem.
B. Salmon will start eating krill instead of herring.
C. Herring will reproduce more.
D. Salmon population will increase at first.
11. Which design elements should be included in Dr. Atkinson's experiments?
A. Measure the levels of contaminants in the air, the soil, and the ocean.
B. Measure the levels of contaminants in the blood and blubber of harbor seals.
C. Control the amount of contaminants in the seals' food.
D. All of the above.
12. Which of the following statements is supported by this data?
A. Animals at the top of the food pyramid have the highest levels of DDT.
B. DDT is found only in the bodies of large animals.
C. Water and zooplankton have the same levels of DDT.
D. DDT affects only animals that live in the ocean.
13. Which of the following statements about ice worms is supported by this data?
A. Ice worms are most active during the warm summer days.
B. Ice worms can only live within a very narrow range of temperatures.
C. Ice worms need to travel long distances to reach their food source.
D. Ice worms can be found in warm forest soils.
14. Based on this diagram, what do you think Ali is testing?
A. The earthworms' response to the size of the box.
B. The earthworms' preference for light/darkness.
C. The earthworms' response to humidity.
D. The earthworms' response to air circulation in the box.