Vocabulary
An environment that provides the things an organism needs to live, grow, and reproduce.
What is a habitat?
These organisms produce energy through the process of photosynthesis.
What are plants? or
What are producers?
An organism that eats only plants.
What is an herbivore?
The definition of biodiversity is _____________________.
What is the variety of different organisms living in a certain area?
Where is the largest reservoir of carbon?
Oceans
The community of organisms that live in a particular area, along with their nonliving surroundings. This includes abiotic and biotic factors.
What is an ecosystem?
These organisms are herbivores, therefore they are called ______________ consumers.
What is primary?
The word that describes ALL the living organisms found at each trophic level.
What is biotic?
This happens when the birth rate is higher than the death rate.
What is the population increases?
This is how carbon dioxide leaves the atmosphere and enters the food chain.
What is photosynthesis?
Water, climate, temperature, and rocks are this part of the environment.
What is abiotic?
An organism that is killed and eaten by another organism.
What is prey?
If a shark, a tertiary consumer, requires 3500 calories per day, the number of calories that the phytoplankton, a producer, must be is this.
What is 3,500,000?
If secondary consumers decline, what might happen to the producers?
They will decrease.
List one way that humans affect the carbon cycle.
What is the burning of fossil fuels?
What is clear cutting?
What is excess pollution?
An organism that breaks down wastes and dead organisms and recycles the nutrients back into nature.
What is a decomposer?
This is a way to show how energy in a food web is allocated. Usually there is a large base and a pointed top.
What is an energy pyramid?
This is the reason why there are seldom more than five trophic levels in a food chain.
What is because energy is lost at each level?
This is largest population of any one species that an environment can support.
What is carrying capacity?
How is carbon found in the atmosphere?
What is carbon dioxide?
Usually written on one line, this is a series of events in which one organism eats another and obtains energy.
What is a food chain?
What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer?
What is 90%?
This is the percentage of energy that is transferred to the next trophic level.
What is 10%?
Identify one biotic limiting factor and one abiotic factor that help determine the biodiversity of an ecosystem?
Biotic: predators, disease,
Abiotic: water, oxygen, carbon dioxide, sun, pH
What is the major purpose of decomposers?
To return nutrients back to the ecosystem.