Roles of Living Things
Ecosystem Structure
Energy In the Ecosystem
Cycles of Matter
Key Terms
100
Organisms that make their own food from inorganic molecules and energy are called?
What is a Producer
100
A series of different organisms that transfer food between the trophic levels of an ecosystem?
What is a Food Chain
100
Energy from the sun comes to Earth in the forms of
What is Waves
100
The four elements of the body
What is Hydrogen, Oxygen, Carbon, Nitrogen
100
A layer in the structure of feeding relationships in an ecosystem
What is a Trophic Level
200
Captures and eats herbivores and other carnivores
What is a Carnivore
200
These are common in all food chains
What is a Producer
200
Plants recieve this amount of energy that reaches the Earth from the sun.
What is Less than 1%
200
What evaporates from the Earth's surface rises in columns of air warmed by sunlight.
What is Water
200
Organisms that can not make their own food
What is Consumer
300
Because they make their own food, Producers are also called
What is an Autotroph
300
A network of food chains representing the feeding relationships among the organsims in an ecosystem.
What is food web
300
Total amount of organic matter present in a trophic level
What is Biomass
300
this makes up 78% of the Earth's atmosphere.
What is Nitrogen
300
Movement of water into the atmosphere as it changes from a liquid to a gas
What is Evaporation
400
Can not produce their own food, and so must obtain nourishment by eating other organisms, consumers are called?
What is a heterotroph
400
The primary consumer of Antarctica. It is shrimp-like and it is a source of food to fish, penguins, seals, and large baleen whales
What is Krill
400
The sun gives off so little energy that even a small percent gives plants enough energy to make about how much of organic matter.
What is 170 billion tons
400
This type of water enters plants through the roots, and enters the atmosphere through the leaves.
What is Groundwater
400
Evaporation of water from leaves of plants
What is Transpiration
500
The different groups of organisms in the ecosystem
What is Producer, Consumer, Decomposer
500
The increasing concentration of a pollutant in organisms at higher trophic levels in a food web
What is Biological Magnification
500
a diagram that shows the relative amounts of energy in different trophic levels in an ecosystem
What is Ecological Pyramid
500
Water vapor cools as it rises and condences into tiny droplets that form?
What is a Cloud
500
Plants such as peanuts, beans, and clover that hae colonies of nitrogen-fixing bacteria in nodules on their roots.
What is Legumes