Grade 9 Science – Unit 3 – Biology – Ecology EcologyCarbon CycleEnergy in Ecosystems...
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Transcript of Grade 9 Science – Unit 3 – Biology – Ecology EcologyCarbon CycleEnergy in Ecosystems...
![Page 1: Grade 9 Science – Unit 3 – Biology – Ecology EcologyCarbon CycleEnergy in Ecosystems DefinitionsMore Ecology 11111 22222 33333 44444 55555.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bfd51a28abf838cad345/html5/thumbnails/1.jpg)
Grade 9 Science – Unit 3 – Biology – Ecology
Ecology Carbon Cycle Energy in Ecosystems
Definitions More Ecology
1 1 1 1 1
2 2 2 2 2
3 3 3 3 3
4 4 4 4 4
5 5 5 5 5
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Herbivore
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What is an organism that eats only
plants?
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A step-by-step sequence linking organisms that feed
on each other
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What is a Food Chain?
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Non-living factors in the ecosystem such as
temperature and wind direction.
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What is abiotic?
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An organism that eats both plants and meat.
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What is omnivore?
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The study of how organisms interact with each other and their physical environment.
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What is Ecology?
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CO2, H2O and N2O
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What are Inorganic Substances?
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The largest reservoir of carbon near
the surface of the Earth.
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What is the ocean?
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During photosynthesis, this gas is produced.
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What is Oxygen?
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These substances always contain atoms of carbon AND hydrogen, and often, oxygen
and nitrogen.
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What are Organic Substances?
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During this process, green plants absorb CO2 from the atmosphere and
use it to manufacture plant fibres, starches and sugars
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What is photosynthesis?
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It is the source of all energy in Earth’s ecosystems.
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What is the Sun?
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This “rule” states only 10% of the energy in one trophic level will be passed to the
next trophic level.
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What is the Rule of Ten?
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It is the diagram that shows the movement of energy through trophic levels.
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What is a Pyramid of Energy?
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The term describing more and more contaminants at the top of
a food chain (i.e., the concentration may be little at the
bottom of the chain but increases as you move up the chain so there is a high...and
lethal...concentration at the top).
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What is Biomagnify?
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The place or area where an organism lives
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What is Habitat?
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An organism that CANNOT makes its own food
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What is a Heterotroph or Consumer?
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An organism that makes its own food
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What is an Autotroph or a Producer?
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Many different organisms as a measure of a healthy
ecosystem.
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What is Diversity?
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A resource that can be used continuously without being
completely depleted because it regenerates itself
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What is a Renewable Resource?
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It is the number of organisms an area can
sustain indefinitely
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What is Carrying Capacity?
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Autotrophs or Producers (e.g., plants).
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What is an organism that can make its own energy?
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A combination of many food chains
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What is a Food Web?
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An animal that eats meat.
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What is a Carnivore?
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An organism that feeds on the dead body of other organisms and, in the
process, releases nutrients to the soil and water
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What is a Decomposer?
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A factor in an ecosystem created by the presence and roles of living things
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What is Biotic Factor?