26. What Does Abiotic Mean? Non-Living

26. What does abiotic mean? Non-living

27. The base of the ocean's food chains is formed by: Plankton

28. What are the abiotic factors in marine ecosystems? 1. Water temp. 2. Water depth 3. Amount of sunlight

29. Name and describe the 4 levels of the ocea n: (only have to describe 1 & 4) 1 intertidal – where the water meets land 2 neritic 3 oceanic 4 benthic – ocean floor

30. What is the main abiotic factor of a freshwater ecosystem? How quickly the water flows

31. An ecosystem with wet soil, willow trees, and orchids is likely? Swamp

32. A lake may become a forest when : it becomes filled with sediment

33. Most of the nutrients in a tropical rain forest are found in plants, so what kind of soil does it have? Poor, lacking nutrients

34. From your text book, list 4 lab safety rules? 1. no running in lab 2. no food or drink in lab 3. keep hair and jewelry pulled back 4. do not begin without instruction from teacher

36. What is the difference between biotic and abiotic? Biotic – living Abiotic - nonliving

37. Organisms belonging to the SAME species living together in the same area at the same time are: Population

38. The ------is the part of the earth where life exists. Biosphere

39. Nature's recyclers are: Decomposers

40. In a food web, the arrow means: Gives energy to 41. Model airplanes, baby dolls and maps are examples of which type of model? Physical Models

42. In an experiment, the variable that I can intentionally change is the: Independent

43. In an experiment, the variable that does not change is the: Constant

44. What is data? Info Gathered

45. An example of experimental error is:

46. The biome that we live in is: Temperate Deciduous Forest

47. Where do we graph the dependent variable: Y axis

48.When you make a graph, what all should the graph include? Title, labels, units