Energy
This stays within the earth & atmosphere in cycles and only leaves/enters in trace amounts.
What is matter?
This is the name given to all members of a single species within an ecosystem.
What is a population?
Trophic levels describe how THIS moves through ecosystems.
What is energy?
These two reactions play a major role in the "short" carbon cycle.
What are photosynthesis and cellular respiration?
What is the chemical symbol for atmospheric nitrogen?
What is a N2?
Where do photosynthesis and cellular respiration occur?
Chloroplast and mitochondria
What does bio diversity mean and why is is essential to ecosystems?
Variety of living things, helps keep ecosystems resiliant / stable and sustainable
This type of organism can capture its own energy from abiotic sources.
What is a producer?
What are the two ways humans contribute to alter the natural carbon cycle?
burning fossil fuels and deforestation
The conversion of N2 to a nitrogen compound that can be used by plants - and done in reverse is done by what organism?
Nitrogen-fixing bacteria . denitrifying bacteria
DAILY DOUBLE
What is the word equation for Photosynthesis?
This is the name given to all living things within an ecosystem
What is a community?
This is the amount of energy available to tertiary consumers in a food chain if 4500 Joules of energy is made available to the producers
What is 4.5 Joules
What role do fossil fuels play in the carbon cycle?
They store carbon long-term until being released back into the atmostphere as CO2
DAILY DOUBLE
What is assimilation?
This is the name of the molecule that stores energy released from cellular respiration
What is adenosine triphosphate (ATP)?
This is the name given to all interactions a species has with abiotic and biotic factors in its surroundings.
What is a niche?
This trophic level gets its energy from all other levels
What are decomposers?
What are two ways Carbon Dioxide is released back into the atmosphere?
Cellular respiration from plants / animals, combustion / volcanic activity
What can fix nitrogen in the atmosphere?
Lightning
What percentage of the suns energy is absorbed and used by plants
About 1%
From smallest to largest, these are the first 5 levels of organization in an ecosystem
Organisim - population - community - ecosystem - biosphere
Name the 5 main trophic levels
producers, primary consumers, secondary consumers, tertiary consumers and decomposers
This is the name for the overall movement of water through terrestrial plants.
What is transpiration?
How do plants and animals get their Nitrogen AND what vital role does nitrogen play in living things.