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- 1. Multiple ChoiceFour students are asked to give an example of ways that animals can change their environment. The table shows their answers.
Jack - A herd of cows overgraze on a piece of land leading to soil erosion.
Tina - Beavers build dams on streams and block the flow of water.
Louis - Cattle drop dung on grazing ground and make the soil fertile.
Kathy - Eagles build nests o the top of tall trees to keep their eggs safe.
Who has given a wrong example?JackKathyLouisTina - 2. Multiple ChoiceThe boxes in the diagram represent organisms in a food chain.
1>2>3>4
Which species would best represent organism 4 in the food chain diagram?HawkFrogGrassCrickett - 3. Multiple ChoiceLook at the food chain below.
Sun > Grass > Mouse > Owl
Which way does energy flow in the food chain?from the grass to the Sunfrom the owl to the mousefrom the mouse to the grassfrom grass to the mouse - 4. Multiple ChoiceA shell fossil was found in a mountain range. What does this mean about the area in which it was found?The mountains were once a very warm climate.The mountains were once covered by ice.The mountains were once covered by seas or oceans.The mountains were once a very cold and dry climate.
- 5. Multiple ChoiceGrizzly bears will eat a large amount of food in late summer and early fall and then they move into a cave or den to sleep during the cold winter.
What is this behavior adaption called?camouflagehibernationmigrationmimicry - 6. Multiple ChoiceBelow is an example of a food chain.
Sun → black walnut tree → squirrel → raccoon → bobcat
Which way does the energy flow?from the bobcat to the squirrelfrom the raccoon to the black walnut treefrom the black walnut tree to the raccoonfrom the squirrel to the Sun - 7. Multiple ChoiceA porcupine has long spines called quills.
What is the function of these quills?camouflagedefensefood-gatheringlocomotion - 8. Multiple ChoiceSome frog species will bury themselves in mud if the environment becomes very dry. The frogs enter into a type of hibernation. Which would be the most likely signal for the frogs to emerge from the mud?a decrease in daylight hoursan increase in air temperaturean increase in precipitationa decrease in air pressure
- 9. Multiple ChoiceBelow is an example of a food chain.
Sun → sea weed → lobster → octopus → shark
Which way does the energy flow?from the lobster to the seaweedfrom the seaweed to the lobsterfrom the shark to the octopusfrom the octopus to the lobster - 10. Multiple ChoiceWhile hiking in the Blue Ridge Mountains, a scientist discovered this starfish fossil.
What did this tell the scientist about the area in which he found the fossil?The Blue Ridge Mountains were once covered by the ocean.The Blue Ridge Mountains were once a desert region.The Blue Ridge Mountains were once in a tropical warm climate.The Blue Ridge Mountains were once covered by ice. - 11. Multiple ChoiceBelow is an example of a food chain.
algae → mussels → sea snails → blue crabs → sea turtles
How does energy flow in this food chain?from mussels to algaefrom sea snails to musselsfrom blue crabs to sea turtlesfrom blue crabs to sea snails - 12. Multiple ChoiceTropical plant fossil imprints were found in rocks in northern Canada near the Arctic Circle.
What information would these fossils give you about the region in which they were found?This area was most likely under the ocean a very long time ago.This area was once a desert a very long time ago.This area was once a tropical rainforest a very long time ago.This area was under a thick layer of ice a very long time ago. - 13. Multiple ChoiceMartin wanted to measure the mass of a fossil he found. Which instrument should Martin use?a clocka thermometera scalea tape measure
- 14. Multiple ChoiceWhat was the environment previously like in the mountain region where a fish fossil was found?The area that is now mountains was possibly once under water.The area that is now mountains was possibly once a tropical forest.The area that is now mountains was possibly once buried by ice.The area that is now mountains was possibly once a desert.
- 15. Multiple ChoiceGround squirrels sleep for five to six months in their burrows during the winter. Why do ground squirrels sleep during the winter?to raise young onesto hide from enemiesto survive the winter coldto look the same as their surroundings
- 16. Multiple ChoiceWhich of the following can cause an organism to become endangered or extinct?habitat lossbehavioral changesincreased reproduction ratealtered migration patterns
- 17. Multiple ChoiceWhich is a main cause of air pollution?car exhaustspreading fertilizer near a riverclear cutting trees from a forestburying toxic waste
- 18. Multiple ChoiceHumans rely on their environment to survive, but they also cause changes to the environment that are negative. What kinds of things do humans do that are negative for the environment?planting new trees when older ones are cut downreducing emissions from cars and factoriesallowing herding animals to overgraze landrecycling metal, paper, and plastic products
- 19. Multiple ChoiceWhich activity would most likely pollute a river?beavers building a dam in the riverfishing in the riverbuilding a bridge over the riverspreading fertilizer near the river
- 20. Multiple ChoiceWhich is the best example of an organism having a long-term impact on an environment?beavers building a dambears hibernating in the winterseasonal migration of birdslions hunting other animals
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