3.2 living in water 3. list points on the river side that ... · 3.11.2018 · 3.2 living in water...
TRANSCRIPT
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3.2 Living in WaterA) VENN diagram - a type of knowledge organizer
1. Read pages 90 to 91. 2. Compare and contrast rivers and lakes. 3. List points on the river side that apply only to rivers. 4. List points on the lake side that apply only to lakes.5. Where the circles intersect, list all the points you can think of that apply to
both rivers and lakes.
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● most life is near● the shore● Slow-moving
Water ● catch and store
run-off● deep ● larger
organisms● Plants● nutrients in
sediment on bottom
● thermocline
● life is found near the bottom
● Fast-moving water
● move water into basins
● fewer plants● more likely to
have a rocky bottom
● Uniform temperature
● important part of water cycle
● contain plankton, such as algae
● home to frogs, insects birds, plants,
● fresh water source
● fish
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phytoplanktonMicroscopic, free floating plant organisms, a type plankton that produce their nutrients through photosynthesis.
organism = a living thing Microscopic = small and can’t be seen by naked eye
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zooplanktonMicroscopic, free floating animal organisms, a type plankton, that are tiny animals that eat other types of plankton for food
Note: they eat both other zooplankton and phytoplankton
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estuary
● is an area of wetland that builds up where a river meets the ocean.
● nutrients that come from the land, rivers, and the ocean accumulate here
● ideal environments for both plants and animals
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bioindicator species
● Organisms that are sensitive to pollution or other environmental changes; (ex: plants and animals)
● Monitoring the numbers of these organisms helps scientists to gather information about the health of an ecosystem.
Ex:
a) Invertebrates (no backbone), like salt water clams
b) Insects like stonefly, caddisfly, mayfly larvae in freshwater
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Larvae in fresh water that are bio-indicators caddisfly
stonefly
Mayfly
http://www.hollandcollege.com/programs/environmental-applied-science-technology/
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Mosses on trees are a major bioindicator species…
loss of moss OR changes in mosses indicate air pollution.
Scientist testing mosses. He will send samples to a lab for testing for heavy metals (cadmium, arsenic) that come from industrial air pollution.
article
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bioluminescence
is the ability of certain marine fish and invertebrates to light up part of their bodies through a chemical reaction.
plankton
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It must be quite dark to see the plankton,((Maldives)
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“Lightfish”Deep Ocean
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“Sea Jelly”
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“Moon Jellys”
PEI
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C) 4 ways wetlands are importantThe vegetation acts as filters for removing pollutants from the water (trees, shrubs, grasses, cattails, lilies)
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C) 4 ways wetlands are important
Wetlands hold a huge quantity of water, which helps prevent flooding…
Wetlands are like a big sponge.
Sussex NB, (HINT: don't build malls and parking lots over wetlands and next to rivers).
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C) 4 ways wetlands are important
Vegetation (plants) acts as filters for removing pollutants from the water.
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C) 4 ways wetlands are important
They act as a resting point for many migrating birds.
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D) Where is the greatest abundance of life found in the ocean?
found in the top 180 m of water… ie the Surface Layer,
aka … Mixed LAYER (warmest layer)
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E) Canada is home to what percentage of the world's wetlands?
¼ or 25% of the WORLD’s wetlands
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F) How do organisms that live deep in the ocean use bioluminescence to survive?
Deep-ocean organisms use bioluminescence to
1. find food 2. attract a mate3. scare away predators.
G) What percent of ocean life forms live in total darkness? 10%
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H) What percent of ocean life lives on the continental shelf? Why?
90%
because that is where the greatest food source is located (both plant and animal sources).
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Find the meaning of the non bolded terms
https://docs.google.com/document/d/1xilTJb7k3daQZ-IWKgs8P2A9BEjj99CTLz_HRi5AEXA/edit?usp=sharing
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1. Where do warm currents originate?2. How do warm currents affect climate?3. Where do cold currents originate?4. How do cold currents affect climate?5. How does the difference in temperature between water and land affect weather systems?6. Why is Britain’s climate much milder than northern Labrador's, even though both places are at approximately the same latitude?
See P82 - 83
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1. Warm currents originate near the equator, where the Sun’s heat is most intense.2. Warm currents affect the climate by transferring their heat to the atmosphere.3. Cold currents originate in the Arctic and Antarctic regions.4. Cold currents affect the climate by drawing heat from the air.5. The difference in temperature between water and land affects weather systems by producing breezes that alter the process of evaporation and condensation near the shoreline. A warm body of water can radiate heat into the air, and a cold body of water can draw heat from the air.6. Britain’s climate is warmer than northern Labrador's climate because the Gulf Stream carries warm water to the British Isles.