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53 Cards in this Set
- Front
- Back
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Ecology |
They study of ecosystems |
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Abiotic |
Non-living factors |
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Biotic |
Living Factors |
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Artificial Ecosystem |
Man made and maintained by humans ex. Zoo, city |
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Ecosystem |
Includes interacting biotic and abiotic factors |
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Autrotrophs |
Make their own food |
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Heterotrophs |
Organisms that can't make their own food and must rely on other organisms for food "Consumers" |
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Herbivores |
Animals that only eat plants Ex. Rabbit and cow |
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Carnivores |
Animals that only eat other animals Eg. Wolf, snake |
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Omnivores |
Animals that eat both plants and animals Eg. Most humans, bears |
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Overexploitation |
Overusing resources to extinction |
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Sustainable living |
Only using what is needed to maintain life |
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Food Chains |
A chain between all the animals of an ecosystem which shows who eats who |
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Trophic Levels |
Feeding level; Primary:Producers Secondary:Consumers Tertiary:Top Consumers
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Food webs |
A web of animals which shows which shows what each animal eats or can be eaten by. |
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Habitat |
Natural environment of an organism |
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Photosynthesis |
Energy coming from the sun that producers convert from sunlight to energy |
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Respiration |
consumers convert energy into usable forms |
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Population |
Members of the same species in one area |
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Community |
A number of different species living in one area. |
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Biome |
A large geographical area with a characteristic climate. Eg. Wetlands |
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Biosphere |
Region on earth where life exists. |
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Bioaccumulation |
Toxins. |
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Pure substance |
One type of particle ex. Sugar |
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Mixture |
2 or more types of a particle. ex. Soda |
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Solution |
Looks like one. Different particles mixed together looks the same Eg. Coke, perfume |
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Heterogeneous |
Can still see parts of mixture, more then one phase, ex. Pizza, garbage. |
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Elements |
Pure substances that cannot be broken down |
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Compounds |
Pure substance that can be broken down |
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Physical Change |
Substance involved stays the same substance but may change form. Ex. Boiling an egg. |
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Chemical Change |
Original substance is changed into 1 or two different substances. Completely changes state. Ex. Bleaching a stain |
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Combustions |
susbstance reacts rapidly with oxygen and releases energy |
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Physical property |
Substance that doesn't change but may change form |
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Chemical Property |
Completely changes when combined with other substances |
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Solid |
Tight particles, Strong |
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Liquid |
Loose particles, weak |
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Gas |
Very loose particles, Very weak |
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Atomic Number |
# of Protons in an atom and # of Electrons in an atom (top left corner) |
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Atomic Mass |
Protons + Neutrons (Bottom) |
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Meteor |
Asteroid which begins to flame up I our atmosphere |
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meteorite |
Meteor which has hit the earths surface |
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Meteoroid |
Meteor which had burned up in our atmosphere |
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Inner asteroid belt is inbetween |
mars and jupiter |
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kuiper belt |
is a region in our solar system past Neptune's orbit |
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oort cloud |
Very far away region where it is believed that most comets come from |
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Astronomical Unit |
Distance between earth and sun; 150,000,000 km |
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What comes first...(Flip) |
Sun,Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune,Pluto |
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What two factors cause the seasons on earth |
Tilt, Revolution |
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Light year |
Distance light travels in a year |
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Big Bang Theory |
Started as one dense point but the universe blew up into existence |
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Solar eclipse |
Moon in between sun and earth |
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Lunar eclipse |
Earth in between sun and moon |
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Retrograde motion |
Motion is the opposite direction then somthing else: ex.Sun and Venus,andUranus |
