Ecosystem Vocab
Relationships
Energy Transfer
Nutrient Cycles
Misc.
100
An area and all of the living and nonliving things that inhabit that area is known as this.
What is an ecosystem?
100
The ecological relationship shown here:
What is competition?
100
These types of organisms are at the bottom of the energy pyramid.
What are producers?
OR
What are autotrophs?
100
This process fixes carbon into a form that can be used by living things.
What is photosynthesis?
100
The removal beavers from ecosystems causes drastic, chaotic changes to the ecosystem. Beavers are this type of species.
What is keystone species?
200
This provides the energy to power most ecosystems on Earth.
What is the sun?
200
Type of relationship shown.
What is prey/predator?
200
The secondary consumer in this food chain.
What is the chameleon?
200
How do humans get the nitrogen they need to build DNA and proteins?
What is feeding?
OR
What is eating?
200
Due to biomagnification, this organism has the highest levels of mercury.
What is the killer whale?
300
Climate, type of terrain, and amount of water are all this type of factor in an ecosystem.
What are abiotic factors?
300
Symbiotic relationship where one organism lives on or inside another organism and causes it harm.
What is parasitism?
300
In the food web below, these are the direct food sources for the snake.
What are the shrew and the frog?
300
The heat-trapping gas is released when humans cut down the Earth’s rainforests.
What is carbon dioxide?
300
Burmese Pythons were brought to the Everglades as exotic pets. They are now apex predators with no natural enemies, causing severe ecological damage.
What are invasive species?
400
These organisms recycle matter in ecosystems.
What are decomposers?
400
The red-billed oxpeckers feed from lesions full of ticks or other parasites on a rhino’s hide and may warn rhinos of nearby poachers.
What is mutualism?
400
This is what happens to most of the energy that is "lost" to ecosystems.
What is it is lost as heat?
OR
What is it is used in metabolism?
400
These unicellular organisms live in the soil and fix nitrogen into a form that can be used by plants.
What are bacteria?
400
The concept illustrated by this graph:
What is carrying capacity?
500
A herd of cows, flock of birds, or school of fish, are all examples of this level in an ecosystem.
What is a population?
500
Remora fish use a specialized suction organ to hitch rides on sharks, saving energy while eating food scraps from the host. The shark is unaffected.
What is commensalism?
500
The amount of energy available to producers if there are 52 kJ available to secondary consumers.
What is 5,200 kJ of energy?
500
This happens when excess nitrogen from fertilizer enters aquatic ecosystems.
What is eutrophication?
OR
What are algal blooms?
500
The principal illustrated by this data:
What is the competitive exclusion principal?