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Brain Challenger

Brain Challenger. Life Science Review. Showcase Your Knowledge!. 41. 61. 1. 21. 22. 42. 62. 2. 3. 63. 43. 23. 24. 44. 64. 4. 5. 25. 65. 45. 6. 66. 46. 26. 27. 7. 47. 67. 48. 68. 8. 28. 29. 9. 49. 69. 50. 10. 70. 30. 51. 11. 31. 71. 72. 52. 12. 32.

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Brain Challenger

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  1. Brain Challenger Life Science Review

  2. Showcase Your Knowledge! • 41 • 61 • 1 • 21 • 22 • 42 • 62 • 2 • 3 • 63 • 43 • 23 • 24 • 44 • 64 • 4 • 5 • 25 • 65 • 45 • 6 • 66 • 46 • 26 • 27 • 7 • 47 • 67 • 48 • 68 • 8 • 28 • 29 • 9 • 49 • 69 • 50 • 10 • 70 • 30 • 51 • 11 • 31 • 71 • 72 • 52 • 12 • 32 • 73 • 33 • 53 • 13 • 14 • 54 • 74 • 34 • 15 • 35 • 55 • 75 • 76 • 36 • 56 • 16 • 17 • 77 • 57 • 37 • 78 • 18 • 38 • 58 • 79 • 59 • 19 • 39 • 40 • 80 • 20 • 60 • Select a question and answer it correctly to obtain points to win the game. Each correct answer gets your team 10 points!

  3. Question 1- Which diagram shows how energy moves from one kind of living thing to another? *A Consumer  decomposers  producers* * B Producers  decomposers  consumers* *C Producers  consumers  decomposers * D Decomposers  consumers  producers*

  4. Question 2 – A fishbowl with a goldfish living in it is not an accurate model of the fish’s natural habitat because the fish bowl— *A only contains one type of animal.* *B contains water and nutrients for the fish.* *C has sand at the bottom.* *D has rocks for the fish to hide under.*

  5. Question 3 – Removing too many small fish from parts of the ocean where sharks live will most likely cause sharks to— *A die.* *B move to another area.* *C start eating plants rather than fish.* *D change color to hide themselves from predators.*

  6. Question 4 – Why do many birds build their nests high in trees? *D A nest that is high up helps birds avoid predators.* *A Birds lay their eggs in trees.* *B It is easier for birds to get there.* *C There is no room for bird nests on the ground.*

  7. Question 5 – The energy that plants use to live and grow is provided by— *A the sun.* *B the rain.* *C fertilizer.* *D wind power.*

  8. Question 6 – Birds often lay eggs and then cover the eggs by sitting on them because this— *A protects the eggs from sunlight.* *C keeps them warm to help them hatch.* *B hides the eggs from predators.* *D makes more room for the bird to sleep in the nest.*

  9. Question 7 – A sandhill crane typically lives in a shortgrass prairie or a marsh and eats plants, insects, fruit, and worms. A bird like the sandhill crane would have the hardest time hunting in an environment that is mostly— *A snowy and cold.* *B rocky and warm.* *C sandy and wet.* *D rainy and hot.*

  10. Question 8 – All of the following are adaptations of plants EXCEPT— *B photosynthesis.* *A sharp spines.* *C fragrant flowers.* *D specialized root systems.*

  11. Question 9 – A camel has large padded feet so that its feet do not sink in or get burned on the hot sand. These adaptations would be most useful in the— *B swamp.* *A desert.* *C grassland.* *D mountains.*

  12. Question 10 – The elephant has many veins in its ears. Flapping its ears cools the blood flowing through these veins. This adaptation would be an advantage in a climate that is very— *D hot.* *A windy.* *B rainy.* *C cool.*

  13. Question 11 – The ability of an animal to blend into its environment is known as— *A metamorphosis.* *D camouflage.* *B hibernation.* *C migration.*

  14. Question 12 – From observing the body structure of a giraffe, what would most likely be its primary source of food? *C Leaves* *A Grass* *B Fish* *D Gazelles*

  15. Question 13 – A crocodile is often mistaken as a dead log floating in the water. In what type of environment would a crocodile most likely live? *B Wetlands* *A Desert* *C Ocean* *D Tundra*

  16. Question 14 –Why is it necessary for female frogs to lay hundreds of eggs in order for its species to survive? *A All of the eggs hatch and cause overcrowding.* *C Many of the tadpoles are eaten before reaching adulthood.* *B The water is too dirty for many of the frogs to survive.* *D Many female frogs are eaten before they can lay eggs.*

  17. Question 15 – Many animals have colored skin or fur that helps them blend into their environments. What might happen to a deer that was born an albino (all white) without its natural camouflage? *D It have a more difficult time surviving.* *A It would be smaller than the other deer.* *B It would live longer than the other deer.* *C It would be ignored by all the predators.*

  18. Question 16 – What food would a bird with a strong, sharp, and long beak most likely eat? *C Fish * *A Seeds and Nuts* *B Nectar from flowers* *D Small mammals*

  19. Question 17 – Pigeons naturally nest in high places that are protected from wind and rain. If all of the trees in a pigeon’s environment were cut down, where might the pigeon build her nest? *B In a shrub or bush* *A Under tall bridges* *C In tall grasses* *D On top of a rock pile*

  20. Question 18 – Which of the following characteristics would NOT be an advantage in a hot climate? *A Long tail* *C Layers of fat* *B Strong beak* *D Sharp claws*

  21. Question 19 – The intertidal zone of the ocean is where the beach and the water meet. When the tide is high, the beach is under water. When the tide is low, the beach is out of the water. The organisms that live on this part of the beach have the ability to do all of the following EXCEPT— *D swim for long distances.* *A survive the crashing waves.* *B find food for themselves.* *C live in moist sand.*

  22. Question 20 – Coral reefs serve as home to many salt-water creatures. How might disturbing the coral reef affect the underwater ecosystem? *B The creatures could lose shelter and food supply.* *A The number of salt-water creatures may increase.* *C The coral may grow too large for fish to live there.* *D The coral reef would move to another location.*

  23. Question 21 – If many frogs were removed from a pond ecosystem, which of the following might happen? *B The insect population would increase.* *A All of the fish in the pond would die.* *C There would be less water in the pond.* *D The plants in the pond could not survive.*

  24. Question 22 – Which of the following organisms is a producer? *A Water lilies* *B Dragonflies* *C Striped bass* *D Mallard ducks*

  25. Question 23 – Which of the following do BOTH plants and animals need in order to survive? *B Soil* *A Water* *C Oxygen* *D Carbon dioxide*

  26. Question 24 – How are plant and animal life cycles similar? *A Plants and animals both develop in stages.* *B Each life cycle begins with a hard outer shell.* *C Each type of organisms grows toward sunlight.* *D Oxygen is required at every level of development.*

  27. Question 25 – Which part of a rabbit helps protect it from predators? *D ability to shoot out a bad-smelling liquid * *AIts stong muscles for running away * *B Its dark color which allows it to hide* *C Its poisonous bite that kills animals*

  28. Question 26 – The sparse plant life on the tundra is often buried beneath snow. Still, the tundra is home to many herbivores and carnivores. Carnivores on the tundra would compete for— *A space.* *B meat.* *C plants.* *D oxygen.*

  29. Question 27 – Which of the following statements best describes an habitat or biome? *D A region with a distinct climate and many plants and animals* *A A region where animals live without plant life* *B A region that contains animals that have adapted* *C A region that has many plants and a few animals*

  30. Question 28 – An oil spill occurring in ocean waters might cause all of the following EXCEPT the organisms there— *C may grow larger.* *A may perish (die).* *B may become ill.* *D may be covered in oil.*

  31. Question 29 – In an aquarium, a pump is used to circulate oxygen through the water for the fish. What might happen if the pump on the aquarium stopped working? *A The fish might die of starvation.* *C The fish might die from lack of oxygen.* *B The fish might lay many eggs.* *D The fish might need more food to eat.*

  32. Question 30 – Many fungi thrive, or grow well, in warm, moist climates. In which of the following places would you most likely find fungi growing abundantly? *B A tropical rain forest* *A A rocky mountain top* *C A hot, dry desert* *D On the ocean floor*

  33. Question 31 – What basic need do frogs meet when they catch flies with their tongues? *B Food* *A Shelter* *C Water* *D Air*

  34. Question 32 – A student examined the trunk of a tree that had been cut down. The distance between the second and third rings of the tree was much greater than the distance between the other rings. One conclusion might be that— *A ring patterns do not give information about tree growth.* *D the tree was able to grow more quickly that year.* *B tree rings can not tell you anything about trees.* *C the distance between trees rings should be the same.*

  35. Question 33 – Which of the following organisms would best complete this partial food chain?Grass  ??  Robin  Fox *A Cricket* *B Lion* *C Strawberry* *D Beaver*

  36. Question 34 – What adaptation do giraffes have to ensure that they have food to eat on the crowded African savannah? *A Thin legs* *C Long tongues* *B Large teeth* *D Camouflaging skin*

  37. Question 35 – A palm tree would have a hard time surviving in an environment that is— *A cold and dark* *B warm and sunny* *C warm and rainy* *D hot and rainy*

  38. Question 36 – What is wrong with the following food chain?Sun  Herbivore  Carnivore  Producer *A Carnivore should come before Herbivore.* *D The sun gives energy to Producers first.* *B Producer should be between Herbivore and Carnivore. * *C Producer should come before Sun. *

  39. Question 37 – What type of organisms change dead organisms into nutrients that plants can use? *A decomposers* *B Pine trees* *C Algae* *D Producers*

  40. Question 38 – Why do most plants grow best during the spring and early summer months? *D Plants grow better during warmer, rainy days.* *A Plants grow better when there’s more daylight.* *B Plants grow better only in hot weather. * *C Plants grow better when there’s more rain.*

  41. Question 39 – Which of the following is an example of a learned behavior? *C A horse jumping fences* *A A dog drinking water* *B A polar bear walking* *D A turtle laying eggs*

  42. Question 40 – Which of the following is a true statement about gas exchange in plants and/or animals? *B Plants take in carbon dioxide from animals and give off oxygen.* *A Animals give off oxygen and take in carbon dioxide from plants.* *C Plants take in sugar and give off food for animals. * *D Animals take in oxygen and give off nitrogen for plants. *

  43. Question 41 – Plants get the energy they need to make food from— *B Sunlight* *A Oxygen* *C Water* *D Nitrogen*

  44. Question 42 – Why do some birds fly south in the winter? *A To get their exercise* *C To keep warm* *B To find a mate* *D To find a nest*

  45. Question 43 – What adaptation did the beaver inherit so that it could get wood to build its home? *B Brown, thick fur* *A Strong front teeth* *C Little, pointed ears* *D Flat, padded feet*

  46. Question 44 – When trees are cut down and not replanted, it can lead to global warming. Global warming is the result of— *B the sun’s rays being trapped in the atmosphere* *A trees being burned up* *C the land heating up* *D the oceans heating up*

  47. Question 45 – To investigate life forms in pond water, you would use a— *C microscope* *A telescope* *B calculator* *D triple-beam balance*

  48. Question 46 – Which of the following organisms is most likely to compete with a largemouth bass for resources? *A Tadpoles* *D Trout* *B Seaweed* *C Coyote*

  49. Question 47 – Which of the following correctly shows the life cycle of a pine tree? *A Seed Seedling  Tree  Cone* *B Seed  Seedling  Cone  Tree* *C Tree  Seedling  Cone  Seed* *D Cone  Seedling  Seed  Tree*

  50. Question 48 – Flowers help bees by producing nectar; bees help flowers by— *C spreading the flower’s pollen from place to place* *A using flowers as a landing pad* *B practicing flying around the flowers* *D stinging people to keep them away from the flowers*

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