energy go notes. all living things must have ______________ in order to maintain...
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Energy GO Notes
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All living things must have ______________ in order to maintain ______________________.
ENERGYHOMEOSTAS
IS
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Homeostasis:Maintain equilibrium
Example?
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#1 Energy Source:
THE SUN!
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AutotrophMakes it’s own foodGets energy from the sunPhotosynthesis
Example?Plants
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AUTOTROPHS =PRODUCERS
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HETEROTROPHEat food for energyCannot make Energy
Example?
Animals
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HETEROTROPHS =
CONSUMERS
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Types of Heterotrophs
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1. Herbivore-Eats Plants
Ex. Deer, cows
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2. Carnivore- Eats meat
Example?
Lions
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3. Omnivore-Eats Both (plants and meats!)
Example-
Bear, humans
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4. ScavengersEat dead things.
Examples?
Buzzard
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5. DecomposersBiodegrade things
Example?
Bacteria in a dumpster
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ADD TO BOTTOM OF PAGEFood chains and food webs are
representations of the predator-prey relationships between species within an ecosystem or habitat.
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Food ChainA series of
organisms each dependent on the next as a source of food.
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BrainPop! Food Chains
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Food Web
A network of many food chains.
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Only _______ % of energy goes to the next level.
The rest is either used or lost as _______.
10
heat
1st Trophic
Level
Autotroph- Plant, Producer
2nd Trophic Level
Primary Consumers- Herbivore- eats
producers
3rd Trophic Level
Secondary ConsumersCarnivore- Eats
herbivores (primary consumers)
4th Trophic Level
Tertiary Consumers-Carnivore- Eats
Carnivores (secondary consumers)
5th Trophic Level- Quaternary Consumers- Eat Tertiary Consumers
Scavengers, Decomposers
#1 Source of Energy!
Pyramid of Energy
Trophic level=
ENERGY LEVEL
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As you move up the pyramid, energy is ___________ so the amount of energy _________________.
Lost energy must be replaced by the ___________.
DECREASESLOST
SUN
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workbookPg. 29-31
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Warm-UpRemember- Ch. 4 Definitions Due
TOMORROW!Pg. 83 #1-10, 11, 12, 14, 17, 18, 24, 22.
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Surprise 1. The amount of energy transferred to the
next trophic level.2. Organisms that rely on other organisms
for their food supply.3. Organisms that only eat meat.4. An organism that produces its own food.5. The study of interactions among
organisms and their environment.6. A collection of all the organisms that live
in a particular place, together with their nonliving environment.
7. A group of ecosystems that have the same climate and similar dominant communities.
8. An organism that eats meat and plants.9. The #1 Source of Energy.10. Organism that breaks down and obtains
energy from dead organic matter.
A. EcologyB. EcosystemC. BiomeD. AutotrophE. Heterotrop
hF. CarnivoreG. 10%H. OmnivoreI. SunJ. Decompos
er
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Honors Surprise 1. All the populations of different species that occupy and are
adapted to a given area, are referred to as a(n) ________. 2. A one-way relationship where one species benefits at the
expense of another is called ________.3. A symbiotic relationship in which both species benefit is best
described as ________.4. In a natural community, the primary consumers are ________.5. Bacteria and fungi act as ________ within an ecosystem.6. All of the organisms living in a particular area make up
________.7. The niche of an animal is best defined as?8. A lichen is actually composed of two organisms--a fungus and
an alga. They depend on each other for survival. The most specific term that describes their relationship is ________.
9. An organism's "trophic" level refers to ________.10. Define abiotic factor. Give two examples.