Download Ecosystem

7th Grade
Unit 2:
Ecosystems
Lesson 2:
Ecosystems
Vocabulary of Instruction:
Abiotic
•Inanimate,
inorganic,
not living.
•Examples:
– Water
– Soil
– Sunlight
– Rocks
– Wind/Air
Adaptation
• Changes in an
organism's
physiological
structure or
function or
habits that
allow it to
survive in
new
surroundings.
Biome
• Is the largest
ecological unit.
It consists of a
group of
related
ecosystems that
share some
kinds of special
plant life and
weather
patterns.
Aquatic Biome
Grassland Biome
Ocean Biome
Biosphere
•Areas of the
earth
where life
exists.
Biotic
• Relating to,
produced by,
or caused by
living
organisms.
• Examples:
–
–
–
–
–
Rabbit
Wolf
Bacteria
Plants/Grass
Mushroom/
Fungi
Community
• All the organisms
that live in a
given habitat and
affect one
another as part
of the food web
or through their
various
influences on the
physical
environment.
Ecosystem
• Is the network
of the
interactions
between
organisms and
their
environment,
and has both
living and
nonliving
components.
Lake Ecosystem
River Ecosystem
Marine Ecosystem
Habitat
• Is the set of
physical and
environmental
conditions that
determines where
an organism or
group of organisms
can live most
comfortably;
factors include
climate, amount of
rainfall, and
amount of sunlight.
Population
•Is a group of
organisms
of the same
species that
live
together.
Species
•Is a group of
organisms
that have
common
ancestors,
and are made
up of one or
more
populations.