Characteristics of Living Things
Scientific Method
Ecology Vocab
Food Webs/Pyramids
Cycles of Nature
100
smallest unit of living things
What is CELL
100
a prediction about what you think will happen (If...then)
What is HYPOTHESIS?
100
when an ecosystem is abandoned or destroyed, and has to rebuild
What is SECONDARY SUCCESSION?
100
All food webs and pyramids must start with this
What is PRIMARY PRODUCER, AUTOTROPH, or PLANT.
100
the process by which plants release water vapor to the atmosphere
What is TRANSPIRATION?
200
change in traits of a species over time
What is EVOLUTION
200
observations that are numbers or measurements
What is QUANTITATIVE DATA?
200
an organism that makes its own food through photosynthesis
What is AUTOTROPH or PRODUCER?
200
If a food web shows a bear eating both animals and plants, then its role is this
What is OMNIVORE
200
organism that makes nitrogen usable for the plant roots
What is DECOMPOSER (fungi / bacteria)?
300
signal to which an organism responds
What is STIMULUS (stimuli)?
300
The factor you are deliberately changing or testing in an experiment
What is INDEPENDENT VARIABLE?
300
An organism that eats only plants
What is HERBIVORE?
300
What kind of organism would you find on the second level of the energy pyramid?
What is HERBIVORE (consumer/heterotroph)
300
process by which bacteria convert nitrogen to ammonia so that plants can absorb and use it
What is NITROGEN FIXATION?
400
Maintaining internal balance as outside changes (like shivering or sweating)
What is HOMEOSTASIS?
400
the group that is not tested, used for comparison in an experiment?
What is CONTROL GROUP?
400
an organism that breaks down dead matter and wastes and recycles the nutrients
What is decomposer?
400
What percentage of energy is tranferred to the next level of an energy pyramid?
What is 10%?
400
reactants needed for photosynthesis
What is CO2, H2O, and sunlight
500
all of the chemical reactions that occur in an organism
What is METABOLISM?
500
The steps of scientific method in order.
What is PROBLEM QUESTION, HYPOTHESIS, EXPERIMENT, DATA, ANALYSIS, CONCLUSION.
500
an organism that is introduced to a food web and causes harm by reducing the biodiversity
What is INVASIVE SPECIES?
500
Why the energy transfer get smaller as you go up a food chain
What is HEAT LOSS
500
burning of fossil fuels increase CO2 in the atmosphere and can lead to this problem
What is global warming
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