Stack #60928
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| Transport protein that provides a tubelike opening in the plasma membrane through which particles can diffuse | channel protein
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| Particle movement from an are of higher concentration to an are of lower concentration | passive transport
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| Transport protein that changes shape when a particle binds it | carrier protein
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| The condition that is changed by the experimenter | independent variable
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| The condition being observed or measure in an experiment | dependent variable
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| A group of organisms of one species that interbreed and live in the same place at the same time | population
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| A collection of interacting populations | community
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| Interactions amoung the populations and abiotic factors in a community | ecosystem
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| occurs between organisms when resouces are scarce | competition
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| A terrestrial ecosystem | forest
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| what replenishes energy lost at each trophic lever of an ecosystem | sunlight
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| Besides energy, What moves through the organisms at each trophic level of an ecosystem? | nutrients
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| What do autotrophs and herterotrophs use carbon molecule for? | energy and growth
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| What is released when decomposers break down the carbon molecules in dead organisms? | carbon dioxide
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| What do fertilizers provide plants with? | nitrogen
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| waht converts nitrogen in the air into a form plants can use? | bacteria and lightning
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| What do plants use nitrogen for? | To make proteins.
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| What do animals get phosphorus from? | eating plants
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| What is living material | Biomass
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| What is the part of marine biomes that is shallow enough to be penetrated by sunlight | photic
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| What are deep-water regions of marine biomes that receive no sunlight called? | aphotic
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| What do rivers flow into? | a lake
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| What are the greatest number of organisms living in the photic zone of a marine biome? | plants
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| What two abiotic factors generally determine the type of climax community that will develop in a particular part of the world? | temperature and precipitation
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| In which terrestrial biome id the ground permantly frozen? | Tundra
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| What is the name of the biome that has arid land with sparse, drought-resistant plants | Desert
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| What is the name of the biome that is the largest and supporsts small plants and grasses but few trees? | Grassland
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| What is the name of the biome that is treeles land and only small plants and grasses grow during the long summer days | Tundra
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| What is the name of the biome that has warm, wet land that supports many species and organisms? | Tropical Rainforest
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| What is the name of the biome with coniferous forests, peat swamps, and long, harsh winters? | Taiga
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| What is the name of the biome that is populated with broad-leaveed hardwood trees that lose their leaves annually | Temperate Forest
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| What is a sequence of community changes where soil is formed, allowing small, weedy plants to inhabit the area | Primary Succesion
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| What is a sequence of community changes occuring as a result of a natural disaster, such as a forest fire | Secondary Succession
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| A stable, mature community with little or no succession ovvuring | Climax Community
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| An example of a biotic limiting factor affecting a community of organisms? | amount of plant growth
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| An example of an abiotic limiting factor affecting a community of organisms? | a severe drought
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| T/F In a water molecule, electrons are shared equally between the hydrogen atoms and oxygen atom. | False
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| T/F The attraction of opposite cahrges between hydrogen and oxygen forms a week ozygen bond. | False
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| T/F Because of it's polarity, water can move from the roots of a plant up to its leaves. | True
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| T/F Water changes temperature easily | False
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| T/F Unlike most substances, water expands when it freezes. | True
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| who was the first scientist to observe evidence of the random motion of molecules? | Brown
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| Why does duffustion occur? | The random movement of particles
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| What will happen to the color when a few drops of colored corn syrup is added to a beaker of pure corn syrup? | It will start to diffuse
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| How can diffusion be accelerated? | Increasing the temperature
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| What is the difference in concentration of a substance across space called? | Concentration Gradient
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| What are thin, hollow cylinders made of protein? | Microtubules
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| What is composed of thin, fibrous elements that form a gramework for the cell? | cytoskeleton
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| What are short, numerous, hairlike projections from the plasma membrane called? | cilia
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| Which is more numerous, Flagella or Cilia? | Cilia
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| Who was the first scientist to describe living cells as seen through a simple telescope? | Leeuwenhoek
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| What was the name of the scientist who observed that cork was composed of tiny, hollow boxes called cell? | Hooke
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| who was the scientist who concluded tha all plants are composed of cells? | Schleiden
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| Who is the scientist who concluded that all animals are composed of cells | Schwann
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| Where is the energy in the ATP molecule stored? | In its chemical bond
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| What is another name for The calvin Cycle? | the light-independent reactions
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| Where does the Calvin Cycle take place? | The Stroma
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| What is the product of the light-dependent reactions used in the Calvin cylce? | NADPH
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| What gas is used in the first step of the Calvin cycle? | Carbon Dioxide
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| What is a change in a single base pair in DNA? | point mutation
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| Where are chromosomal mutations most common? | in plants
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| What is the failure of ahomologous chromosmes to separate properly? | nondisjuntion
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Created by:
atownQT