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13 Cards in this Set

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metric system
measurement system used by almost all scientists in the world based on increments of 10
Scientific method (def.)
the way of solving problems in a logical/scientific matter.
Scientific method (setps)
1. Observe a Problem/Question
2. Form a hypothesis
-Hypotheses can NEVER be
proven correct.
3. Research
4. Experiment
5. Record/andalyze all data
and observations
6. Form a conclusion
7. Work is replicated
The Six Characteristics of
Living Things
1. Consumes energy
2. Grows
3. Reproduces
4. Responds to the
environment
5. Maintains an internal
balance
6. Has cells
Ecology
the study of interactions among organisms and their environment
Biosphere
contains the combined portions of the planet in which life exists
Species
a group of organisms so similar to one another they can breed and produce fertile offspring
Populations
groups of individuals that belong to the same species and live in the same area
Communities
assemblages of different populations that live together in a defined area
Ecosystem
a collection of all the organisms that live together in a particular place, together with their nonliving, or physical, environment
Biome
a group of ecosystems that have the same climate and similar dominant communities
Autotrophs
organisms that use energy from the environment to fuel the assembly of simple inorganic compounds into complex organic molecules
Producers
organisms that make their own food