NAME ______HR______
Organization of the Environment Outline
Ecology
The study of
An Ecologist is a scientist
Ecology Involves
Collecting ______about ______and their ______.
Looking for ______.
Seeking to ______these ______.
Environmental Organization
In Ecology, organisms and the environment are studied at various ______.
Each level includes different factors.
______
______
______
______
Population
A population includes all the ______found in ______.
The dandelion ______in your lawn is an example of a ______.
Community
A community includes all the ______.
Your lawn has ______of dandelions, grasses, earthworms, and other living things. These populations together make up a lawn ______.
Ecosystem
A community (______) and the ______(air, water, soil) ______and ______.
Examples of ______include your lawn, a balanced aquarium, ponds, vacant lots, woodlots, salt marshes, and forests.
Biosphere
The biosphere is the ______.
It is very large and includes many ______.
Stable Ecosystem Requirements
An ecosystem can support itself and is ______when the following ______are met.
oThere must be a ______.
oThe ______is the primary source of ______for life on Earth.
oThere must be living organisms that can ______
oThere must be a ______
Ecosystem Components
Abiotic Factors
The ______parts of the ______.
They directly affect the ability of organisms to ______and ______.
These factors vary from one place to another.
______factors may act as ______.
______determine the numbers and kinds of organisms that can ______.
o
o
o
o
o
o
o
Biotic Factors
All the ______that directly or indirectly affect the ______.
______factors interact with ______and with the ______.
oAny ______that ______.
o______are producers.
o______eat ______and/or ______.
oAll ______are consumers.
o______and ______.
o______and ______are examples of decomposers.
Ecosystem Characteristics
______components combine to define the environmental ______of the ______.
______components interact with ______to determine the success of ______.
______components interact with ______components to determine the overall ______.
Habitat
An organism’s ______is determined by ______and ______factors.
The factors an organism needs to survive determine ______.
Example: An earthworm’s habitat is ______.
Niche
Includes ______, where it ______, ______, and ______to its ______.
Example: In a pond, a snail scrapes algae from the leaves and stems of plants.
Biome
A ______area described by its ______, ______, and ______.
The ______and ______in a biome determines which ______will grow there.
Biomes may be ______or ______biomes.
Land (terrestrial) Biomes
______and ______groups are determined by the major ______of the ______.
They are sometimes modified by local ______and ______conditions.
The presence or absence of ______is a major ______.
______conditions and ______are affected by both latitude (______) and altitude (______).
Tundra (Polar)
Animals:
Plants:
Taiga (Coniferous Forest)
Animals:
Plants:
Temperate Deciduous Forest
Animals:
Plants:
Tropical Rain Forest
Animals:
Plants:
Grassland (Savanna)
Animals:
Plants:
Desert
Animals:
Plants:
Water (aquatic) Biomes
Include ______(______) and ______biomes.
Make up the ______on earth.
More than ______of the earth’s surface is covered by ______, and more ______live in ______than live on ______.
Water biomes are typically more ______than land biomes.
The temperature varies ______because of the ability of water to ______.
Factors Affecting Water Biomes
Aquatic (water) Biomes
Marine (saltwater)
______
Hold large quantities of ______
Help to stabilize the earth’s ______
Contain a constant supply of ______and ______
Much of the ______on earth is carried out by ______near the surface of the oceans and coastal waters.
Light penetrates through water to a depth of ______. ______does not occur at greater depths.
Freshwater
Less than ______of the Earth’s ______is ______.
______, ______, ______, ______, and ______will vary by:
oSize
oSpeed of current
oTemperature
oConcentration of dissolved gasses and suspended particles
oRate of change
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