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Chpt6 ecology
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Chpt6 ecology

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my review of ecology.

my review of ecology.

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Chpt6 ecology Presentation Transcript

  • 1. No Annie,you lost of themthis week alone! That was rude, Annie I’m calling your house again!
  • 2. is (living things) thethat surround them .
  • 3. the fish (living) are interacting with the water plants (living) by eating them.
  • 4. the fish (living) get oxygen(nonliving) from the water (nonliving).
  • 5. the plants (living) does the process ofphotosynthesis using: sunlight, CO2& H2O (nonliving things) from the environment.
  • 6. the air & water temperatures(nonliving) are comfortable forbird, fish and plants (all living).
  • 7. the bird (living) is interactingwith the fish (living) by eating them.
  • 8. the bird (living) breathes theoxygen (nonliving) it gets from the environment.
  • 9. .
  • 10. EVERY THING around the deer is its “environment”:(plants, soil, rocks, air, water, clouds, decomposers, snakes, rabbits etc) .
  • 11. ECOSYSTEM:
  • 12. The whole Earth can be divided intodifferent !
  • 13. EXAMPLES OF ECOSYSTEMS:
  • 14. A forest ecosystem
  • 15. Identify 7 organisms in the forestecosystem (some might be “invisible”)
  • 16. deer, fox, squirrel, trees, grass, worms, insects fungi, bacteria, mushrooms decomposers
  • 17. A lake ecosystem
  • 18. Identify some non-living factors in thislake ecosystem (some might be invisible!)
  • 19. Water, sunlight, temperature, heat, air, the wind, soil, rocks, sand.
  • 20. An ocean ecosystem:
  • 21. Which ocean organism does ALL the others rely on to stay alive?
  • 22. Plants form the base of All ecosystems. all the organisms rely on the plants to stay alive!
  • 23. Climate: veeeeerrrry long-term weather (years, decades, centuries…..)
  • 24. Climate has the biggest effect on the type of ecosystem an area has:
  • 25. A hot and wet climate can result in a rainforest ecosystem….
  • 26. A hot and dry climate can result in a desert ecosystem….
  • 27. Would you expect organisms from a desertecosystem to exist in a tropical ecosystem or vice versa? Support your answer.
  • 28. versus
  • 29. both .
  • 30. :( ..)
  • 31. :(ex )
  • 32. Are the abiotic& biotic factors in a desert the same or different from those in atropical rainforest? Support your answer.
  • 33. : is .
  • 34. Examples: this lake has a rabbit population, agrass population, a dragonfly population….etc
  • 35. .
  • 36. Example: this lake community has fish,insects, rabbits, pine tree populations etc...
  • 37. An :
  • 38. WHAT IS MISSING FROM THIS PICTURE?
  • 39. !
  • 40. For ANY ecosystem to remain stable, itmust has a constant source of energy !...
  • 41. Yaaay ! Yaaay! ME! Sun! Yaaay! Sun! Yaaay! Sun! Yaaay! Sun! Yaaay! Yaaay! Sun! Sun!
  • 42. Yaaay ! Yaaay! ME! Sun! Yaaay! Sun! Yaaay! Sun! Yaaay! Sun! Yaaay! Yaaay! Sun! Sun!
  • 43. If the sun stopped shining, Earth’s ecosystems would die from lack of new Yaaay!Yaaay Sun! Yaaay! energy! ME! Sun! Yaaay! Sun! Yaaay! Sun! Yaaay! Yaaay! Sun! Sun!
  • 44. ( ) Yaaay!Yaaay us! ( Yaaay! )! ME! plants! Yaaay! us! Yaaay! plants! Yaaay! plants! Yaaay! Yaaay! plants! plants!
  • 45. TheYaaay . Yaaay! ME! us! Yaaay! plants! Yaaay! us! Yaaay! plants! Yaaay! plants! Yaaay! Yaaay! plants! plants!
  • 46. Yaaay!Yaaay plants! us! Yaaay! plants! Yaaay! us! Yaaay! plants! Yaaay! plants! Yaaay! Yaaay! plants! plants!
  • 47. Some animals ( ) …
  • 48. Example: deer, rabbits, mouse & cricket eat the plants for energy…
  • 49. other animals ( ) ….
  • 50. Ex: the mountain lion, snake, hawk, owl, frog(secondary consumers) eat the deer, rabbit, mouse, cricket for energy….
  • 51. . Yaaay! decomposers!Yaaay! us!
  • 52. are very important, they .
  • 53. A
  • 54. Remember: the decomposers are ALWAYS in a healthy ecosystem, EVEN THOUGH YOU CAN’T SEE THEM!.
  • 55. this has all the requirements of astable ecosystem. What are they?
  • 56. Now answer 1-11
  • 57. There is a limited (finite) amount of resources in any ecosystem… Limited amounts of food, limited amounts of water, limited amounts of minerals…..
  • 58. Every ecosystem has a limited amount of food…
  • 59. Every ecosystem has a limited amount of water…..
  • 60. Limiting factors LIMIT the size of a population.
  • 61. Moisture is often a limiting factor forplants. Ex: here, each tree thrives in a different amount of moisture.
  • 62. Examples: on the size of each other’s populations.
  • 63. An increase in the zebra population = an increase in the lion population
  • 64. Conversely, a decrease in the zebrapopulation = a decrease in the lion population
  • 65. Also an increase in the lions= a decrease inzebras which would cause a decrease in the lions too!
  • 66. very effective Diseases have always been an effective limiting factor on human populations
  • 67. The Bubonic plague killed over half of Europe’s population. The fictional “Crippen Virus” in “I amLegend” was over 90% fatal to the human population. Diseases have always been an effective limiting factor on human populations
  • 68. Look at the next sevenslides…what are the organisms doing?
  • 69. Mine! No! Ours!
  • 70. Ours! TRY to take it!
  • 71. Mine! Mine!Mine! mine! No! no! No! No! No!
  • 72. hey Frank, Hey Frank,save me a Don’t you piece! mean “ours”? MINE! MINE!
  • 73. The cheese is minebecause Mr. “left hook” says so!
  • 74. THAT can beYou want MY arranged!bread? Over my dead body!
  • 75. LET GO, before I start throwing NEVER! them LEFT HOOKS!
  • 76. The resources, that organisms need to live, are finite (limited)…
  • 77. Finite resources lead to competition
  • 78. .
  • 79. Why WON’T these insects compete, even though they are on the SAME plant?
  • 80. Why DON’T the Cape May Warblerscompete with the other two kinds of warblers for food & shelter?
  • 81. Do you agree that the number ofpassengers has exceeded this bus’ carrying capacity?
  • 82. An area can only support a limited numberof organisms. The maximum number is the area’s carrying capacity
  • 83. Example: if an area has more food and more water, few predators, there will be more zebras (larger carrying capacity)
  • 84. The predators and diseases also determine an area’s carrying capacity. More predators and more diseases = lower carrying capacity.
  • 85. Less food or water, more predators (ordiseases) in an area = less zebras (low carrying capacity) Didn’t work! This’ll fool them stupid lions!
  • 86. This is a typical carrying capacity graph:
  • 87. If there is enough resources, a population will grow and grow and grow exponentially!
  • 88. Eventually, if too many individuals areborn, the population will overshoot the carrying capacity….
  • 89. Individuals will die from competition, disease, stress, predators until thepopulation in below carrying capacity.
  • 90. All population fluctuate up and downaround their territories carrying capacity. (this called equilibrium)
  • 91. What is the carrying capacity for this population?
  • 92. 1.5 million
  • 93. Remember the following typical carrying capacity graphs.
  • 94. EQUILIBRIUM
  • 95. What is the carrying capacity for the deer population?
  • 96. Now answer 12- 32
  • 97. :
  • 98. All organisms have a habitat (a home) and a niche( a role/job) What is Santa’s habitat? What is Santa’s niche?
  • 99. A
  • 100. /its job/ .
  • 101. These birds share a tree but havedifferent habitats and different niches
  • 102. Why DON’T the Cape May Warblerscompete with the other two for food & shelter?
  • 103. Now answer 33-40
  • 104. How organismsget their food:
  • 105. organisms get their food in one of three ways:producers consumers decomposers
  • 106. s (also called )
  • 107. ( )
  • 108. are animals that I think I put on weight, is grass fattening?
  • 109. are animals that Gee! That carcass looks good enough to eat!
  • 110. decompose ( )
  • 111. perform a vital role byrecycling ( ing)
  • 112. Certain Bacteria, fungi & mushrooms are decomposers.
  • 113. Now answer 41-61
  • 114. :
  • 115. Food chain or food web?
  • 116. Food chain or food web?
  • 117. Food chain or food web?
  • 118. Food chain or food web?
  • 119. Food chain or food web?
  • 120. What is a food chain? What is a food web
  • 121. Question: there are 4 organism in this ecosystem. who eats whom?
  • 122. : simple diagrams that . Snake eats mouse Owl eats snakeMouse eats corn
  • 123. Food chain: simple diagrams that show which organisms are eaten by other organisms. Shark Small fish eat eat large seaweed fish Large fish eat Small fish
  • 124. YOU MUST KNOW HOW TO READ A FOOD CHAIN!
  • 125. The arrows means “eaten by”
  • 126. Remember: in a food chain (or a food web)energy always flows from the producers to the consumers.
  • 127. In the 2 food chains below: Name the autotrophs. Namethe primary consumers. Name the secondary consumers. Name the tertiary consumers.
  • 128. FOOD WEBS:
  • 129. .
  • 130. .
  • 131. Who eats the water plants?
  • 132. Name three animals that eat the small invertebrates.
  • 133. Name two animals the bass eats.
  • 134. .
  • 135. What would happen if the water plants went extinct?
  • 136. What would happen if the crab population increased? decreased?
  • 137. Remember: the decomposers areALWAYS in an ecosystem! Even though we CAN’T ALWAYS see them!
  • 138. What organisms are missing that breakdown ( “eat”) all the others and return minerals to the soil?
  • 139. Remember this diagram, it has been on many regents exams!
  • 140. Which heterotrophs compete for the same prey?
  • 141. What would happen to the frog if the crickets died out?
  • 142. What would happen to the crickets if the frogs died out?
  • 143. What would happen to the ecosystem if the autotrophs died out?
  • 144. Remember this diagram, it has been on many regents exams!
  • 145. Remember this diagram, it has been on many regents exams!
  • 146. Remember this diagram, it has been on many regents exams!
  • 147. Remember this diagram, it has been on many regents exams!
  • 148. Which level has the autotrophs?
  • 149. Remember this diagram, it has been on many regents exams!
  • 150. Remember this diagram, it has been on many regents exams!
  • 151. Now answer 62-87
  • 152. :
  • 153. Explain this picture.
  • 154. this is a picture of an energy pyramid
  • 155. an is .
  • 156. .
  • 157. Peanut eaten by squirrel. squirrel eaten by snake, snake eaten by eagle
  • 158. The producers are ALWAYS on the bottom of the energy pyramid.
  • 159. .
  • 160. Remember: most of the availableenergy is found in the producers.
  • 161. The amount of energy decreases as the energy moves up the pyramid.
  • 162. .
  • 163. .
  • 164. Only 10% of the energy makes up to thenext trophic energy level because the other 90% is used in the organisms’ metabolism or lost as heat.
  • 165. .
  • 166. Most of the biomass is on the bottom of the pyramid in the plants.
  • 167. .
  • 168. Which organisms use ATP for energy? Support your answer.
  • 169. Why does this energy pyramid show an unstable ecosystem?
  • 170. A stable ecosystem must have more producers than consumers.
  • 171. You must be able to interpret the following diagrams.
  • 172. Where would one find the producers (autotrophs)
  • 173. Why would this a energy pyramid represent a stable ecosystem?
  • 174. Where would one find the herbivores (primary consumers)? SUPPORT your answer. D C B A
  • 175. Now do 88- 106.
  • 176. :predator/prey, parasitism, commensalism, mutualism.
  • 177. Ex: lions and zebras!
  • 178. I’m warning you, I’ve been taking NOW Kung Fu! whose the prey? So what!
  • 179. Commensalism: one organismbenefits, the other isn’t harmed.
  • 180. Mutualism: both benefit. Ex: lichen is algae & a fungus.
  • 181. Now answer 116- 119.
  • 182. Which environment has MORE biodiversity (more different kinds of species)?
  • 183. Which environment is more stable(healthier)? Support your answer.
  • 184. Remember: greater biodiversity = more stable ecosystem.
  • 185. Which ecosystem is the most stable?
  • 186. Is a cornfield a healthy ecosystem?
  • 187. A Farm is not a stable ecosystem; because only ONE organism exists on it.
  • 188. . CornCorn weevilrust
  • 189. 1.
  • 190. 2.
  • 191. 3. .
  • 192. :
  • 193. 1
  • 194. 2. .
  • 195. .
  • 196. Now answer 120-126
  • 197. Cities change over time…
  • 198. Fashion changes over time…
  • 199. An ecosystem can change over time too!
  • 200. !
  • 201. In ecological succession:
  • 202. The mosses prepare to soil for to ….
  • 203. The ….
  • 204. …
  • 205. .
  • 206. Remember this picture: it shows ecological succession!
  • 207. Remember this picture: it shows ecological succession!
  • 208. Remember this picture: it shows ecological succession!
  • 209. this picture shows ecological succession of a lake!
  • 210. First there is a lake, over time the lake dries up and becomes a forest.
  • 211. Remember this picture: it shows ecological succession!
  • 212. Remember this picture: it shows ecological succession!
  • 213. Remember this picture: it shows ecological succession!
  • 214. Remember this picture: it shows ecological succession!
  • 215. Now answer 139- 142.
  • 216. Independent work: finish all the questions/