A sequence of events that repeat themselves indefinitely.
What is a Cycle?
Organisms that sit at the top of a Trophic Pyramid and have no natural predators.
What is an Apex Predator?
A unit of energy.
What is a Calorie.
a non-living part of the environment is known as...
What is Abiotic.
An organism that only eats plants is known as a...
What is a herbivore?
A nutrient cycle is a type of...
What is a Matter Cycle.
How much energy moves between each Trophic Level?
What is 10%?
the process by which certain organisms use sunlight, water, and carbon dioxide to create oxygen and energy in the form of glucose.
What is Photosynthesis.
The study of living things and how they interact with each other and the environment.
What is Ecology?
Any organic, living system that functions as an individual entity.
What is an Organism.
A system in which the amount of matter remains constant over time.
What is a Closed System.
30% of energy is lost on what process?
What is Homeostasis?
The process where organisms convert biotic matter into abiotic matter.
What is Decomposition.
the interactions between all the living things and non-living things in a given area
What is an Ecosystem?
an organism which feeds on dead organic material is known as a.
What is a Decomposer?
Why is the movement of elements and compounds in a Biogeochemical cycle different than the transfer of energy through each Trophic level?
What is Energy Flows but Matter gets Recycled.
The total sum of biotic elements in a given area at a given time.
What is Biomass?
A chemical reaction that happens in all living cells where energy is released from glucose so that all the other chemical processes needed for life can happen.
What is Respiration.
all of the organisms of the same species together in a given area are known as...
a Population.
This organism is considered by many scientists to be the ultimate Apex Predator of the entire ocean.
What is an Orca.
The pathway in which a chemical substance moves through the biotic and abiotic components of the Earth is known as a...
What is a Biogeochemical Cycle.
Oceans and some terrestrial ecosystems can support up to 5 Trophic Levels! What would the 5th Trophic Level be called?
What is a Quaternary Consumer.
The process by which inorganic carbon is converted to organic compounds by living organisms.
What is Carbon Fixation or Carbon Assimilation.
an organism that helps define an entire ecosystem. Without this organism, the ecosystem would be dramatically different or cease to exist altogether.
What is a Keystone Species.
What organism only allows one half of its brain to sleep at a time?
What is a Dolphin?