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Unit 13A Monitoring the Environment.

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  • June 8, 2023
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Unit 13: Monitoring the Environment

Learning Aim A: Investigate ecosystems


Flora- All the plant life present in a particular region or time
Fauna- All the animal life in a particular region

Populations- a combined group of organisms living together at the same place and time
Biodiversity- The presence of a large range of several types of organisms in a given place at a
given time.
Producers- An organism able to produce complex organic compounds from
simple inorganic molecules through the process of photosynthesis (using light energy) or
through chemosynthesis (using chemical energy)

Primary consumers- Any organism that consumes or feeds on autotrophs
Secondary consumers- Any organism that consumes or feeds largely on primary consumers, as well
as autotrophs
Tertiary consumers- Any organism that consumes or feeds largely on primary and secondary
consumers
Food chains- A feeding hierarchy depicting the flow of food energy and the feeding interactions
between creatures in an ecosystem.
Food webs- A graphical depiction of an ecological community's interconnected food chains.

Habitat- A location or place where an organism lives, resides, or occurs.


A producer would be something that uses the energy of the sun and inorganic materials to produce
their food and substance. A good example is grass, and we say it is photosynthetic. A primary
consumer is something such as a cow that eats that grass and converts it to its own use. A secondary
consumer is something that would be unable to eat the grass directly but would tend to feed on the
creatures that do. An example here would be a lion. They cannot eat the grass but do eat the cattle
that do devour and utilize the grass, which is the producer.


Examples of ecosystems: Coral Reef, desert, forest, rainforest

Examples of ecosystems in a rainforest: floodplain forest, forests on the blackwaters of the Amazon
River.

Examples of ecosystems in a polar and desert region: Polar barrens and tundra. Antarctica and the
Sahara Desert, which spans much of Africa, and the Mojave Desert, which lies in the southwest of
the United States.
Food production causes water and air pollution, as well as the extinction of species and the
destruction of natural habitats. With increased output comes increased land use.

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