ecology part 2. 1 what four areas does population size depend on? -# of births -# of deaths...
TRANSCRIPT
![Page 1: Ecology part 2. 1 What four areas does population size depend on? -# of Births -# of Deaths -Immigration (Entering Pop.) -Emigration (Leaving Pop.)](https://reader030.vdocument.in/reader030/viewer/2022032804/56649e4d5503460f94b42992/html5/thumbnails/1.jpg)
Ecology part 2
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1 What four areas does population size depend on?
-# of Births-# of Deaths
-Immigration (Entering Pop.)-Emigration (Leaving Pop.)
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2 What shape is exponential growth and what causes it?
• “J”
• Unlimited resources
(food, water & space)
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3 Draw and describe exponential growth.
• Slow initial growth that becomes rapid
over time.
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4 What is the shape and causes of logistic growth?
•“s”•Exponential growth thatslows or stops becauseof limited resources
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5 Draw and describe logistic growth.
• Exponential growth that slows or stops because of
limited
resources
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6 What is the largest number of organisms of a species the environment can support?
• Carrying Capacity
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7 What types of factors are considered limiting factors that
restrict population growth?
• Biotic and abiotic that restricts population growth (ex. Food (biotic) & space (abiotic))
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8 What is density?
• Amount of organisms in an area
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9 What are the two types of limiting factors?
• -Density-dependent
• -Density- Independent
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10 What are the three types of density dependent factors?
• -Predation
• -Disease
• -Competition for resources
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11 What are the three types of density-dependent factors?
• DUPLICATE!
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12 What are the three types of density-independent factors?
• -Natural Disaster
• -Weather / Climate
• -Human Activity
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13 In the water cycle, what two methods take water into the
atmosphere and briefly describe each.
• -Evaporation- From areas of concentration of water (Ponds, lakes etc.)
• -Transpiration- H20 lost from plants
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14 What is it called when water forms clouds?
• Condensation
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15 What is it called when water falls back to Earth and give 2
examples.• -Precipitation
• -Rain
• -Snow
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16 What four methods release carbon dioxide/CO2 to the air?
• -Volcanoes
• -Human Activity
• -Respiration
• -Decomposition
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17 What process uses carbon dioxide to make glucose?
• Photosynthesis
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18 Organisms use and release carbon dioxide by which
process?
• Respiration
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19 What 2 important uses is carbon dioxide needed for to help
humans?
• -Food carbohydrates
• -Living tissue and skeleton
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20 What converts N2 in the soil for plants?
• Bacteria
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21 When organisms consume plants, what macromolecule does
nitrogen help produce?
• proteins
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22 What three factors help return nitrogen to the soil?
• -Dead organisms/ decompositions
• -Bacterial nitrogen fixation
• -Animal Waste
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23 What breaks N2 down in the soil and returns it to the
atmosphere?• Bacteria
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24 Amino acids are monomers of which macromolecule that is
vital to humans?
• Proteins
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25 How much of the atmosphere is nitrogen?
• 78%
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26 What saves/protects natural resources and organisms?
• Conservation Biology
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27. How many species are in danger of extinction in the
U.S.?• 1,200
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28 An organism that is likely to become endangered in the near future is considered? Give an
example• -threatened Species
• -Polar Bear
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29 An organism that is subject to immediate extinction is
considered? Give an example.
• -Endangered Species
• -Humpback Whale
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30 What is a study over a long period considered?
• Longitudal Analysis
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31 What is an increase in the average temperature on Earth?
• Global Warming
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32 What is the trapping of heat in the atmosphere? What are 2
implications?
• Greenhouse Effect- Deterioration of habit, drought and disruption of relationships
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33. The water cycle:condensation, precipitation, runoff, transpiration, evaporation, seepage
and root uptake.
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34. Carbon cycle: co2 in atmosphere, co2 in ocean add
photosynthesis.
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33. What is moderate temperature areas called?
• Temperate
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34 What is called when a tree sheds its leaves every year during
a particular season?
• deciduous
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35 List the biomes and their temperatures and seasons.
• -Tropical Rainforest- Hot at top- Cool at Floor• -Savanna- Hot• -Desert- Hot day/Cold night• -Temperate Grassland- Hot summers, cold winters• -Temperate Deciduous Forest- Cold winters, moderate
summers• -Taiga- Bitterly cold winters, mild summers• -Tundra- Very cold, with short cool summers• -Lakes/Freshwater (Great Lakes)- Cold winters,
warm/hot summers• -Oceans (Cali. Coast) 50-70F
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36 List the general locations of each biome.
• -Tropical Rainforest – Along equator/oceans• -Savanna- Eastern Africa• -Desert- Near equator- not near ocean• -Temperate Grassland- Midwest/central U.S• -Temperate Deciduous Forest- Northern U.S• -Taiga- Upper/Lower regions of earth (Not poles)• -Lakes/Freshwater Great Lakes in Minnesota,
Southern Canada• -Oceans (Cali. Coast) Duh, on the California
Coast
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37 List the wildlife for each biome.
• Tropical Rainforest- Jaguars, Boa Constrictors, Monkeys etc
• Savanna-rhinoceros, elephants and lions• Desert- rattlesnakes, golden eagle, and mountain lions• Temperate grassland- grizzly bear, coyotes and rabbits• Temperate deciduous forest- deer, bobcats, and
squirrels• Taiga- moose, beavers, and Timberwolves• Great Lakes/freshwater- trout, bass and pike• Ocean/California Coast- seals dolphins and whales
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38 List the plant life for each biome (if listed)
• Tropical Rainforest- canopy-like trees, shorter trees and vines
• Savanna- tall grass and fire resistant trees and shrubs• Desert- cacti and creosote bush• Temperate grassland- grass and herbs• Temperate deciduous forest-fern, moss and deciduous
trees• Taiga- needle leaf /evergreen trees, berry bearing
shrubs• Great Lakes/freshwater-lily pads and cattails • Ocean/California Coast- seaweed and kelp