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52 terms

Ecosystem

STUDY
PLAY
HOW ARE HABITATS AND ECOSYSTEMS RELATED?
AN ECOSYSTEM CAN CONTAIN MANY HABITATS.
A LIVING OR BIOLOGICAL ASPECT OF AN ECOSYTEM DESCRIBES A _____ FACTOR?
BIOTIC
A NONLIVING OR PHYSICAL ASPECT OF AN ECOSYSTEM DESCRIBES A(N) _____ FACTOR?
ABIOTIC
_____ IS A TYPICAL PIONEER ORGANISM?
MOSS
_____ IS A TYPICAL STABLE FOREST ORGANISM.
HEMLOCK TREES
A COMMUNITY AND ALL ITS PHYSICAL ASPECTS DESCRIBES A(N) _______?
ECOSYSTEM
IN WHICH AREA WOULD YOU EXPECT TO FIND THE LEAST BIODIVERSITY?
THE OPEN OCEAN
A REGULAR PROGRESSION OF SPECIES REPLACEMENT IS CALLED _____?
SUCCESSION
MOST OF LIFE ON EARTH DEPENDS ON?
PHOTOSYNTHESIS
THE LOWEST TROPHIC LEVEL OF ANY ECOSYSTEM IS OCCUPIED BY ORGANISM SUCH AS ?
PLANTS AND ALGAE
A LARGE, CARNIVOROUS PREDATOR WOULD BE PLACED IN THE ______ TROPHIC LEVEL?
FOURTH
FOOD WEBS ARE FORMED FROM FOOD CHAINS BECAUSE....?
MANY INDIVIDUAL ANIMALS FEED AT SEVERAL TROPHIC LEVELS.
THE NUMBER OF TROPHIC LEVELS THAT CAN BE MAINTAINED IN AN ECOSYSTEM IS LIMITED BY?
THE LOSS OF POTENTIAL ENERGY
AN ANIMAL THAT EATS ONLY PRODUCERS IS A __________?
HERBIVORE
AN ANIMAL THAT EATS ONLY OTHER ANIMALS IS A ____?
CARNIVORE
AN ANIMAL THAT EATS PLANTS AND ANIMALS IS A(N) _____?
OMNIVORE
AN ORGANISM THAT OBTAINS ENERGY FROM THE SUN IS A _____?
PRODUCER
AN ORGANISM THAT BREAKS DOWN ORGANIC WASTE AND DEAD BODIES IS A ______?
DECOMPOSER
WHICH PROCESS BRINGS CARBON INTO THE LIVING PORTION OF IS CYCLE?
PHOTOSYNTHESIS
WHY DO ORGANISMS NEED NITROGEN?
NITROGEN IS AN ESSENTIAL PART OF PROTEINS.
CARBON DIOXIDE IS A BY-PRODUCT OF THIS BIOLOGICAL REACTION?
RESPIRATION
THIS PROCESS CONVERTS NITROGEN INTO AN USABLE FORM FOR ORGANISMS?
AMMONIFICATION
THIS PROCESS RELEASES CARBON FROM FOSSIL FUELS?
COMBUSTION
THIS PROCESS RETURNS NITROGEN GAS TO THE ATMOSPHERE?
DENITRIFICATION
CARBON BECOMES AVAILABLE TO OTHER ORGANISMS THROUGH THIS PROCESS ACTING ON LIMESTONE?
EROSION
The number of species living within an ecosystem is a measure of its ______________________.
BIODIVERSITY
A somewhat regular progression of species replacement is called ______________________.
SUCCESSION
A(n) ______________________ consists of a community
and all the physical aspects of its habitat, such as the soil, water, and weather.
ECOSYSTEM
Animals, plants, and other photosynthesizing organisms play important roles in the ______________________ ______________________.
CARBON CYCLE
Ammonification is the first stage in the ______________________ ______________________.
NITROGEN CYCLE
A large region that is characterized by a specific kind of climate is called a ______________________.
BIOME
The many different species that live together in a habitat are called a(n) ______________________.
COMMUNITY
The average weather conditions in an area over a long period of time is the area's ______________________.
CLIMATE
Calcium phosphate stored in soil and rock dissolves in water as part of the ______________________ ______________________.
PHOSPHOROUS CYCLE
The exchange of oxygen and carbon dioxide between living cells and their environment is called ______________________.
RESPIRATION
The place where a particular population of a species lives is called its ______________________.
HABITAT
Where an organism lives
HABITAT
A triangular diagram that shows an ecosystem's loss of energy as energy passes through a food chain
ENERGY PYRAMID
Fixes nitrogen for use by living things
NITROGEN CYCLE
An organism in an ecosystem that first captures energy
PRODUCER
Consistent weather patterns in an area over time
CLIMATE
A measure based on the variety of species in an area
BIODIVERSITY
Photosynthesis and respiration are two important components
CARBON CYCLE
Organism that obtains energy by consuming plants or other organisms
CONSUMER
Root uptake and consumers eating plants are important parts of this process
PHOSPHOROUS CYCLE
A step in the transfer of energy through an ecosystem
TROPHIC LEVEL
An organism that obtains energy from organic wastes and dead bodies
DECOMPOSER
Carbon dioxide is returned to the atmosphere in this process
RESPIRATION
Various interacting species and their physical environment
ECOSYSTEM
Characterized by its climate and kinds of species
BIOME
Begins with pioneer species
SUCCESSION
A group of species that live in the same place and interact with one another.
COMMUNITY