A pod of bottlenose dolphins living in a specific region can be identified as which level of organization? A. Biosphere

1. A pod of bottlenose dolphins living in a specific region can be identified as which level of organization? A. Biosphere B. Ecosystem C. Population D. Community C. Population

2. A group of cells that work together for a common function is MOST LIKELY described as A. A tissue B. An organ C. An organelle D. A community A. Study the diagram below. Which is level of organization that could be represented by the X? A. Plant B. Animal C. Biosphere D. Community Ecosystem X d. Population Organism

3. A scientist studied a coral reef in an ocean. The scientist made a data table to record what was observed. How many populations are represented by the data? 6.

4. The great northern coniferous forest are part of the ___ biome taiga

5. _____ is a layer of soil that remains frozen throughout the year permafrost

6. ____ is a major limiting factor of the tundra biome. Temperature OR PRECIPITATION

7. A body of water near the coast that is partly surrounded by land and contains both fresh and salt water is known as the ________ estuary

8. The _____ is a region dominated by deciduous trees. Temperate or Deciduous forest

9. A large group of ecosystems characterized by the same type of climax community is called a _________ biome

10. The ____ is an arid region characterized by little or no plant life. desert

11. An uncut lawn becomes a meadow and eventually a forest. This process is an example of _____ succession. secondary

12. In oceans _____ produces food by photosynthesis. _____ eats phytoplankton, which is eaten by _____ Phytoplankton, Zooplankton, fish

13. What is a succulent plants with thorns (adapted forms of leaves) that are common in desert biomes? Cacti

14. The absence of permafrost and presence of coniferous trees as the dominant climax plants characterize the ____ biome. taiga

15. Salt marsh ecosystems are usually associated with _______. estuaries

16. The concentration of dissolved salt in estuary water would be between the concentration of salt in river water and _____ water. Ocean

17. In a _________ biome, decomposition occurs too quickly for humus (top soil) to form. Tropical rain forest

18. Water temperature and light are two __________ (abiotic or biotic) factors that affect the tolerance range of organisms in a lake. abiotic

19. In which biome would you find only shallow-rooted grasses and small plants like lichens and moss? tundra

20. In which biome would you expect to find the greatest biomass? Tropical rain forest

21. If the producers in a community provide 10,000 kcal of energy, approximately how much of the sun’s original energy is available for the secondary consumers? • 10 kcal • 100 kcal • 1000 kcal • 10,000 kcal B.

22. Producers have greater amounts of energy available to them than primary consumers. Which statement about producers is NOT correct? • Energy is released by producers as heat • Energy is created by producers • Energy is used for metabolism • Energy is used for active transport B. Energy created by producers

23. Study the food chain below. Which statement correctly compares the available energy between trophic levels in this food chain? • Energy is highest in algae and lowest in great black-backed gulls. • Energy is highest in great black-backed gulls and lowest in algae. • Energy is highest in crustaceans and puffins and lowest in algae and great black-backed gulls. • Energy is highest in algae and great black-backed gulls and lowest in crustaceans and puffins. Food Chain Great Black-backed Gulls Puffins Crustaceans Algae A.

24. Study the food chain below. Which organism receives the MOST energy from corn? The LEAST energy from corn? Owl Fox Snake Mouse chipmunk Corn Most: chipmunk and mouse Least: Owl

25. Which statement BEST explains why the snowy owl and the arctic fox can occupy the same trophic level in a tundra food web? • They have light coloring • They hunt at the same time of year • They eat primary consumers. • They take in oxygen and release carbon dioxide. C.

26. Which series correctly models the flow of energy in a aquatic food chain? • Plankton  sand eel  striped bass  cod • Sand eel  cod  plankton  striped bass • Striped bass  plankton  cod  sand eel • Cod  striped bass  sand eel  plankton A.

27. Which organism receives the smallest amount of energy from the level directly before them in this food chain? • Producers primary consumers  secondary consumers  tertiary consumers decomposers • Primary consumers • Secondary consumers • Tertiary consumers • Decomposers D. Primary consumers Secondary consumers Tertiary consumers Producers Decomposers

28. Which process is MOST directly dependent on temperature reduction, small particles, and gravity to produce its product? • Evaporation • Transpiration • Precipitation • Condensation C.

29. When coal is burned, sulfur dioxide (SO2) gas combines with water vapor to produce acid rain. Which model traces the path of the water vapor? • Water vapor  condensation  precipitation • Water vapor  precipitation  condensation • Water vapor  evaporation  precipitation • Water vapor  precipitation  evaporation A.

30. Study the water cycle below. Which process in the water cycle is represented by the X?A. Infiltration B. Condensation C. freshwater storage D. Groundwater discharge B. condensation. X evaporation precipitation Surface runoff ocean

31. Which sequence is part of the carbon cycle? A. transpiration  evaporation condensation precipitation B. Respiration photosynthesis organic decay  coal formation C. combustion evaporation  respiration  condensation D. decomposition  infiltration  plant uptake  consumption B.

32. Study the carbon cycle diagram below. Which represents the release of carbon dioxide through combustion? Carbon dioxide in atmosphere Car or Truck Flower Car or truck To CO2 to a atmosphere Rabbit

33. Study the table below. Which student correctly identifies processes in the oxygen cycle? 3.

34. Which statement describes the changes that result from increased burning of fossil fuels? • Carbon dioxide in the atmosphere and carbon stored in fossil fuels both increase • Carbon dioxide in the atmosphere decreases, and carbon stored in fossil fuels both decrease • Carbon dioxide in the atmosphere decreases, and carbon stored in fossil fuels increase. • Carbon dioxide in the atmosphere increases, and carbon stored in fossil fuels decreases. D.

35. When green plants produce oxygen, from which molecule does the oxygen come? • ATP • Water • Glucose • Carbon dioxide B.

36. Which statement describes how oxygen can enter the atmosphere? • Oxygen is released from water through respiration by heterotrophs • Oxygen is released from water through photosynthesis by autotrophs • Oxygen is released from glucose through respiration by autotrophs • Oxygen is released from glucose through photosynthesis by heterotrophs B.

37. Study the diagram below. Which element moves through ALL of this cycle?(carbon, nitrogen, oxygen, phosphorous) Cow Animal waste Decomposed matter Plant Protein Nitrogen. Ammonia

38. Which nitrogen compound is considered to be a pollutant released in jet exhaust? • Nitrogen gas (N2) • Nitrate (NO3) • Ammonia (NH4) • Nitrogen oxide (NO2) D.

39. Which aquatic environment contain organisms that thrive in water with varying salt concentrations? • River • Estuary • Deep ocean • Glacial lake B.

40. Which student correctly compared the Antarctic desert and Arctic tundra biome characteristic? 4.

41. Study the table below. Which biome is represented by these data? temperature • Desert • Tundra • Rainforest • Grassland C.

42. Which plant and animal types are characteristic of the taiga biome? PLANT TYPES ANIMAL TYPES • Plant type 1 and animal type 2 • Plant type 2 and animal type 3 • Plant type 3 and animal type 4 • Plant type 4 and animal type 1 A.

43. Study the list below. Which biome do these factors BEST describe? • Sandy soil • Precipitation ranges between 2-4 cm annually • Summer temperatures range from 21 degrees C • Animals include: kangaroo rats, rabbits, skunks, and burrowing owls • Semi-arid desert • Deciduous forest • Tropical rainforest • Temperate grassland A.

44. Study the list below. Which biome is described by the characteristics included in the list? • Cold winters • Located across northern latitudes of North America and Eurasia • Patchy permafrost • Drought-resistant plants • Numerous lakes, ponds, rivers, and bogs • Taiga • Desert • Tundra • grassland A.

45. Which example best describes mimicry? A. Moving to a new location to obtain food B. Appearing to look like a different animal C. Catching prey with sharp teeth D. Keeping warm with think fur. B.

46. Animals hibernate for many reason. What is one reason animal would NOT hibernate? • To conserve energy • To avoid harsh climate conditions • To locate prey • To survive when food is hard to find C.

47. Which statement describes how some animals may adapt to an environmental change? • Urbanization causes some birds to mimic other birds. • Deforestation causes some birds to change their beak shape • Natural disasters cause some mammals to hibernate. • Season cause some mammals to change fur coloration. D.

48. Study the two animals below. The yellow jacket and the horse fly have similar coloration and physical characteristics. However, only the wasp can defend itself by stinging potential predators. Which type of protective adaptations is demonstrated by the horsefly? B. • Stinger B. Mimicry C. Camouflage D. Counter shading

49. A walking stick is an insect that resembles a stick or branch of a plant. What is the BEST description of this protective adaptation? • The walking stick is attracting a mate • The walking stick is searching for food • The walking stick is preparing for hibernation. • The walking stick is camouflaging itself from predators. D.

50. Some species of lizards change their body colors to resemble their environment, inflate their bodies or throat, or secrete substances to mark territories. Which of these protective strategies is NOT an adaptation of a lizard? • Migration • Camouflage • Physical change • Chemical defense A.