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Bio A: Unit 2 Levels of Organization in Biology
Terms in this set (29)
Ecology is the study of
interactions among organisms and between organisms and their environment or surroundings
To survive and reproduce is
an organism's number one goal in life
Interactions can be
between organisms or between organisms and its environment
In order to survive and reproduce,
organisms will depend on each other and on their environment
What level of organization is organism?
Population is what level of organization
An organism is an
individual living thing
What is it called when a group of organisms breed and produce fertile offspring?
What does fertile mean?
able to reproduce
A mix of all different breeds of dogs is an example of a
A cat, bird, fish, snake and worm are an example of
A group of the same species that live in a specific area is called a
What is it called when different populations live and interact with each other in the same area?
Community is what level of organization?
an ecosystem includes all the
living and non living things found in an area
Community + non living =
What is the difference between a population and an ecosystem?
a population has only living things and an ecosystem has both living and non living things.
An ecosystem is what level organization?
Biosphere is what level organization?
What contains the portions of the planet in which all life exists?
Land, air, water and atmosphere are
all included in the biosphere
7 miles up and down from Earth connects
energy flow, food webs, cycle of matter
In order to survive, and organism needs
Energy and several non living things
Non living things are called
Living things are called
Sunlight, temperature, precipitation and soil are examples of
Abiotic physical factors
Nitrogen in soil, water, CO2, O2, phosphorous (earths crust), are examples of
Abiotic chemical factors
organism, predation, competition, symbiosis are examples of
Biotic living factors
What influences the survival of a species and shapes the ecosystem?
Biotic and abiotic factors together.
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