
This book is Dedicated to my twin sister Natalie Elsoussi
This book was created and published on StoryJumper™
©2014 StoryJumper, Inc. All rights reserved.
Publish your own children's book:
www.storyjumper.com



What Is consumer?
Consumers are organisms of an ecological food chain
that receive energy by consuming other organisms.
These organisms are formally referred to as:
Heterotrophs, which include animals, bacteria and
fungus.
Such organisms may consume by various means,
including predation, prioritization and Biodegradation.
2


what is Producers:
producers are the organisms in an ecosystem that produce
biomass from inorganic compounds (autotrophs).
In almost all cases these are photosynthetically active
organisms (plants, cyanobacteria and a number of other
unicellular organisms; see article on photosynthesis).
3


What is a Decomposer?
Decomposers or saprotrophs are organisms that break
down dead or decaying organisms, and in doing so
carry out the natural process of decomposition.
[1] Like herbivores and predators, decomposers are
heterotrophic, meaning that they use organic
substrates to get their energy, carbon and nutrients for
growth and development.
4


What is Comensalism?
In ecology, commensalism is a class of relationship between two organisms
where one organism benefits without affecting the other. It compares with
mutualism, in which both organisms benefit, amensalism, where one is
harmed while the other is unaffected, and parasitism, where one benefits
while the other is harmed.
Commensalism derives from the English word commensal, meaning "eating at the
same table" in human social interaction, which in turn comes through French from
the Medieval Latin commensalis, meaning "sharing a table",
5


Mutualism is the way two organisms of different
species exist in a
relationship in which each individual
benefits. Similar interactions within a
species are known as co-operation.
6


Parasitism is a non-mutual symbiotic
relationship between species,
where one species, the parasite,
benefits at the expense of the other,
the host.
7


Photosynthesis is the process by which plants convert light
energy into chemical energy for use in growth and cellular
repair. The ability of plants to capture light energy, carry
out photosynthesis and grow is affected by many
environmental factors including temperature, water and
nutrient supply.
8


A chemical equation tells you which chemicals reacted
together (the reactants) and the new chemicals that were
made in the reaction (the products).
The simplest equation is a word equation. For example:
sodium + chlorine → sodium chloride
9


A food chain is a linear sequence of links in a food web
starting from a species that are called producers in the web
and ends at a species that is called decomposers species in the web.
A food chain also shows how the organisms are related with each
other by the food they eat.

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This book is Dedicated to my twin sister Natalie Elsoussi
This book was created and published on StoryJumper™
©2014 StoryJumper, Inc. All rights reserved.
Publish your own children's book:
www.storyjumper.com



What Is consumer?
Consumers are organisms of an ecological food chain
that receive energy by consuming other organisms.
These organisms are formally referred to as:
Heterotrophs, which include animals, bacteria and
fungus.
Such organisms may consume by various means,
including predation, prioritization and Biodegradation.
2


what is Producers:
producers are the organisms in an ecosystem that produce
biomass from inorganic compounds (autotrophs).
In almost all cases these are photosynthetically active
organisms (plants, cyanobacteria and a number of other
unicellular organisms; see article on photosynthesis).
3


What is a Decomposer?
Decomposers or saprotrophs are organisms that break
down dead or decaying organisms, and in doing so
carry out the natural process of decomposition.
[1] Like herbivores and predators, decomposers are
heterotrophic, meaning that they use organic
substrates to get their energy, carbon and nutrients for
growth and development.
4
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"Ecology"
An informational book about different ecological concepts, such as consumers, producers, decomposers, commensalism, mutualism, parasitism, photosynthesis, word equations, food chains, food webs, and adaptations.
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