Across
- 5. the increase of acidity of the ocean
- 11. the diversity of life forms in an environment
- 14. an organism produced by copying genes from a species with a desirable trait and inserting them into another species
- 16. a convection current in the atmosphere that cycles between the equator and 30oN and 30oS
- 18. species with a low intrinsic growth rate
- 20. the amount of energy that passes on to the next trophic level
- 25. The individuals that belong to the same species and live in a given area at a particular time
- 26. the percent of the Earth's surface that is reflective
- 31. variable that is changed by the scientist
- 32. the rise of less dense, warm, less saline water due to diverging currents
- 34. human activities causing an increase in CO2 levels
- 38. the maximum population size of a species that can be sustained
- 40. a position or a role an organism has within its community or environment.
- 42. decomposers break down ammonium into nitrite
- 43. where large groups are together in one location
- 44. the struggle of individuals to obtain a shared limiting resource
- 47. The process of speciation that occurs with geographic isolation
- 48. A biological community of interacting organisms and their physical environment
- 49. population sizes are limited by resources
- 50. the relationship between two species that live in close association with each other
- 53. The evolution of one species into two, without geographic isolation
- 54. producers absorbing nitrogen through the soil
- 55. energy can neither be created nor destroyed but can change from one form to another
- 56. when two species divide a resource based on differences in their behavior or morphology
Down
- 1. variable you want to measure your results against or variables that remain unchanged
- 2. The latitude that receives the most intense sunlight, which causes the ascending branches of the two Hadley cell to converge
- 3. where the distribution maintains similar distances away from another
- 4. where there is no pattern to the distribution
- 6. the system tries to return to its original state or decreases the rate at which the change is occurring
- 7. a species that serves as a warning for an unhealthy ecosystem
- 8. the ecological interaction between two or more species where each species has a net benefit
- 9. population sizes are not limited by resources
- 10. a nutrient required for the growth of an organism but available in a lower quantity than other nutrients
- 12. an organism that uses the energy of the Sun to produce usable forms of energy
- 13. the nonliving components
- 15. a resource that a population cannot live without and that occurs in quantities lower than the population would require to increase in size
- 17. deflection of an object’s path due to the rotation of the Earth
- 19. species with a high intrinsic growth rate
- 21. the change is amplified
- 22. the relative proportion of individuals within the different species in a given area
- 23. variable that is is measure as a result of the independent variable
- 24. holds a community together
- 25. an ecological succession occurring on surfaces that are initially devoid of soil
- 27. a lake with a high level of productivity due to high amounts of nutrients (like phosphorus and nitrogen)
- 28. when oxygen concentration becomes so low that is kills fish and other aquatic animals
- 29. a group of organism that is distinct from other groups in its body form and structure, behavior, or biochemical properties
- 30. the living components
- 33. The process by which producers use solar energy to convert carbon dioxide and water into glucose and oxygen
- 35. matter or energy is exchanged across the system’s boundaries
- 36. a reversal of wind and water currents in the South Pacific
- 37. the number of species in a given area
- 39. a long-term biological interaction in which members of one species gain benefits while those of the other species neither benefit nor are harmed
- 41. a trait that improves an individual’s fitness
- 45. energy is transformed, the quantity of energy remains the same, but its ability to do work diminishes
- 46. the succession of plant life that occurs in areas that have been disturbed but have not lost their soil
- 51. a large, naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat
- 52. matter or energy exchanges do not occur across boundaries