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46 Cards in this Set

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Scientific Method
?
refers to a body of techniques
Steps of Scientific Method
?
Ask a Question
Do Background Research
Construct a Hypothesis
Test Hypothesis by doing Experiment
Analyze Your Data and Draw a Conclusion
Communicate Your Results
ph
?
A figure expressing the acidity or alkalinity of a solution
What is the purpose of protein in the body?
?
necessary for the building and repair of body tissues. It produces enzymes, hormones, and other substances the body
What is ecology?
the
study of relationship between organisms and environment
What is environment?
animals
it is made up of all living and non-living things
Habitat
home
a place in which animals live
Competition
rival
when there is an overpopulation of animals and a shortage of food for everyone
limiting factor
?
?
abiotic
rocks
non living factors in an organisms environment
Biotic
trees
all living factors in an organisms environment
predator
eating other animals
animal that feeds on other animals
food chain
.
shows a one way flow of energy in an ecosystem
carrying capacity
.
The number living organisms that a region can support without environmental degradation.
autotroph
.
makes its own energy
heterotroph
.
gets its energy from somewhere else
producer
.
use light to store energy in organic compounds
consumer
.
.eat other organisms to get organic compounds
decomposer
.
.
population
.
all the organisms in a given area
food web
.
many foods chains put together in one ecosystem
symbiosis
.
a long term relationship between two organisms in an ecosystem
mutualism
.
both organisms benefit from their relationship
commensalism
.
one organism benefits and the others are effected
parasitism
.
one organism beneits and the others are harmed
trophic level
.
total amount of energy in an organism at one level
energy pyramid
.
shows the amount of energy at each level of a food web
herbivore
.
an organism that does not eat meat
carnivore
.
an organism that eats meat
omnivore
.
an organism that eats both plants and animals
primary consumer
.
an animal that feeds on plants
secondary consumer
.
a carnivore that feeds only upon herbivores
tertiary consumer
.
carnivore at the topmost level in a food chain that feeds on other carnivores.
ecologist
.
one who interacts with organisms and their environments
carbon cycle
.
cycle of nuclear transfermations in the interiors of
photosynthesis
.
process which energy is given off from sunlight
ecosystem
.
an area containing an interaction of living/non-living factors
source of energy
.
Sources from which energy can be obtained to provide heat, light, and power.
food web
.
many food chains put together in one ecosystem
energy pyramid
.
shows the amount of energy at each level of a food web
parasitism
.
The parasite enjoys the benefits of a relationship in which the host is harmed or killed.
commensalism
.
.
metric system
.
a system of measurements used by scientists all over the world.
cell theory
.
all living things are composed of cells,cells are the basic units of structure in living things and all cells come from preexisting cells
mutualsim
.
when both species derive benefits from the association
commuensalism
.
associations between species where one benefits and the other is neutral