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97 Cards in this Set
- Front
- Back
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What are the best ways to test a hypothesis?
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Make ovservations and carry out experiments
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A fact in science is the same as...
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data
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Most scientific investigations start with a series of observations that one wants to understand.
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A Problem
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A possible solution or testable explanation is called...
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A hypothesis
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What is the order of steps in solving a probelm in science?
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Make an observation, state an hypothesis, and run an experiment
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What do we call the factors that may affect experimental results?
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Variables
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What is the biological term for any living thing?
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An Organism
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Give examples of a producer-consumer relationship...
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Plant-animal
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Any living thing that can use light energy to make food (chemical energy) is called a...
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Producers
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Identifications
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Identify the following
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Producers in a food web
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Grasses, plants, flowers, fruits, nuts, vegetables, leaves and twigs
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Consumers in a food web
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Shrews, Snakes, Salamanders, Spiders
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Herbivores in a food web
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Deer, Mice, Beetles, Rabbits, Squirrels, Bees
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Carnivores in a food web
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Mountain Lions, Bears, Wolves
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Predators in a food web
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Hawk, Snakes, Skunks
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Competitors in a food web
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Amoebas, Paraamecia, Beetles, Springtails
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Decomposers in a food web
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Bacterica, and Mushrooms
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Specific food chains in a food web
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Honey, Bees, Toads, Raccoons, Bears, Fleas, or Scavengers and Decomposers
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Direction of energy flow in a food web
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Producer to Carnivore?
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How is energy changed as it flows throught an ecosystem?
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Light...Chemical...Lost as Heat
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What form does the energy take as it passes from organism to organism?
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Chemical
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What becomes of most of the energy that enters a food web?
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It is lost as heat
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What do all ecosystems need in order to function?
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Energy
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What do all ecosystems give off?
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Heat
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What can be cycled in ecosystems?
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Matter cycles....is recycled
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What cannot be recycled in ecosystems?
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Energy flows...is lost as heat
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What term represents all members of one species living in the area?
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Population
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What term represents all interacting populations?
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Community
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What term represents interacting populations and their abiotic (physical) environment?
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Ecosystem
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Which 2 factors cause populations to increase?
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Immigration, Birthrate
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Which 2 factors cause populations to decrease?
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Emmigration, Mortality rate = Death
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Why is the human population growing larger?
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The mortality rate is less than the birth rate.
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What are the biotic factors in ecosystems? Give examples...
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Biotic factors are living or were living. Plants, Animals, Poop
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What are the abiotic factors in ecosystems? Give examples...
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Abiotic factors were and will never be living. Wind, Rock, Sun, Space, H2O
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How do we express measures of population density? Give examples...
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Carrying capacity determined by Abiotic and Biotic factors.
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Populations are usually limited by something called...
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Carrying Capacity
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What is meant by carrying capacity?
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How many organisms can be supported without degrading the environment.
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What organisms recycle materials in a food web?
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Decomposers
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What term describes the place where an organism lives?
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Habitat
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What term describes the role of an organism?
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Niche
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Describe and give an example of Parasitism
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Organism I is harmed and Organism II benefits
Flea,Dog |
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Describe and give an example of Mutuaism
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Organism I benefits and Organism II benefits
Sea Aneneme, Clown Fish |
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A fish with a lamprey eel on it is an example of what?
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Parasitism
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An Eagle that catches a rabbit is an example of what?
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Predator/Prey
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A tapeworm that is in an animal's intestine is an example of what?
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Parasitism
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A Coyote and a Snake chasing a Gopher is an example of what?
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Competition
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Seeds that sprout too close to each other that are harmed is an example of what?
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Competition
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A bird that feeds on parasites in the ears, hair or mouth of a larger animal is an example of what?
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Mutualism
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What do competitors compete for in ecosystems?
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Food, Shelter, Mates, Space, CO2, O2Y
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What is the gross primary productivity in ecosystems?
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The total energy that is stored in photosynthesis.
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What is net primary productivity?
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The Energy stored as food
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What 2 factors tend to increae the stability of an ecosystem?
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Greater diversity of species and more links in the food web of the system.
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What does pH give a measure of?
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The concentration of H+ or OH- ions in a solution.
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The energy currency of cells is...
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ATP
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How is ATP and how is it different from ADP?
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??? ATP has THREE phosphates while ADP has TWO phosphates. (Hint: aTp=Trois aDp=Deux)
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What are enzymes?
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proteins that act as catalysts
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What is DNA?
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Where genetic information is stored
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Burning fossil fuels?
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Increases carbon dioxide in the atmosphere
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Breakin down sugars?
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Increases carbon dioxide in the atmosphere
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Carrying out photosynthesis?
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Decreases carbon dioxide in the atmosphere
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Activities of decomposers?
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Increases carbon dioxide in the atmosphere
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Storing sunlight as chemicl energy?
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Decreases carbon dioxide in the atmosphere
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Cell Respiration?
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Increases carbon dioxide in the atmosphere
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Planting trees in a forest?
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Decreases carbon dioxide in the atmosphere
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Populations grow and use more energy?
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Increases carbon dioxide in the atmosphere
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Fats and Oils
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Lipid
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Sugars, cellulose and starch
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Carbohydrate
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DNA and RNA
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Nucleic Acid
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Enzymes
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Protein
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Hereditary material
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Nucleic Acid
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Muscle tissue
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Protein
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Produced directly by photosynthesis
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Carbohydrate
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Made of Amino Acids
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Nucleic Acid
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Planting trees in a forest?
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Decreases carbon dioxide in the atmosphere
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Populations grow and use more energy?
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Increases carbon dioxide in the atmosphere
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Fats and Oils
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Lipid
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Sugars, cellulose and starch
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Carbohydrate
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DNA and RNA
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Nucleic Acid
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Enzymes
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Protein
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Hereditary material
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Nucleic Acid
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Muscle tissue
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Protein
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Produced directly by photosynthesis
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Carbohydrate
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Made of Amino Acids
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Protein
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Made of nucleotides
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Nucleic Acid
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Best Substance for efficient energy storage
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Lipid
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What are the two main points of The Cell Theory?
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All cellls come from cells and the basic unit of structure/function in a living organisim
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What are examples of metabolic processes in cells?
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Respiration, Removal of waste, Synthesis, and cell division
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What is a concentration gradient?
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Difference in concentration of substances
(HI)->(LOW) |
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Do diffusion and Osmosis come down the gradient or go up the gradient?
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They come down
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What determines if molecules will move across the membrane?
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Size, Concentration, Type of membrane and whether or not it is permeable.
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Made of nucleotides
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Nucleic Acid
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Best Substance for efficient energy storage
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Lipid
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What are the two main points of The Cell Theory?
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All cellls come from cells and the basic unit of structure/function in a living organisim
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What are examples of metabolic processes in cells?
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Respiration, Removal of waste, Synthesis, and cell division
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What is a concentration gradient?
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Difference in concentration of substances
(HI)->(LOW) |
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Do diffusion and Osmosis come down the gradient or go up the gradient?
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They come down
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What determines if molecules will move across the membrane?
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Size, Concentration, Type of membrane and whether or not it is permeable.
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