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Ecology and Environment
FEED ME!
BIG Words!
• Autotrophic--means “self-feeding”; type of
organism capable of synthesizing its own food from
inorganic substances, using light or chemical
energy. Green plants, algae, and certain bacteria
are autotrophs. Producers are autotrophs.
• Photosynthesis--energy made from light
• Chemosynthesis--energy made from
chemicals
Producers!
• Examples of producers: grasses,
flowers, trees, vegetables, fruits
• Representation on
Ecological (Trophic
Level) Pyramid
BIG Words!
• Heterotrophic—means “different feeder”;
type of organism dependent on obtaining
energy from organic substances; animals,
fungi, and many bacteria are heterotrophs.
• Must obtain food: hunting, shopping,
being fed, parasitism, endocytosis
• Organisms digest complex organic products
to obtain fuel; they are called Consumers
Consumers!
• Examples of consumers: mammals,
insects, mushrooms, reptiles, fish
• Representation on
Ecological (Trophic
Level) Pyramid
• Carnivores,
herbivores, and
omnivores
Pyramid Levels
• Base = Producers
• Next level up = primary
consumers that are
herbivores here, but could
include omnivores
• Next level up = secondary
consumers that are
carnivores who eat the
primary consumers
• Top level = tertiary
consumers and secondary
consumers
Tomorrow…
The Science of
Warning!
Bellringer tomorrow on this
information!