Energy, Producers, and Consumers
What is the ultimate energy source for most life on earth?
What is the sun?
What is an abiotic factor?
What is a nonliving thing?
what is a biogeochemical cycle?
a process in which, chemical compounds, and other forms of matter are passed from on organism to another and one part of the biosphere to another
What do organisms transfer in a food chain?
Energy
Autotrophs are also called______.
What is a primary producer?
What is a living thing called?
What is a biotic factor?
How does water cycle through the biosphere? What does it cycle between.
Between the oceans, atmosphere and land
What is a food chain?
A one way flow of energy passing through an ecosystem
What are the three types of consumers?
What is herbivore, carnivore, and omnivore.
What is the biggest level of organization?
What is a biosphere?
Define denitrification
The process by which soil bacteria convert nitrates into nitrogen gas
What is a food web?
a network of feeding interactions
Where can the scavenger be found on the food chain?
What is at the top?
What is the smallest level of organization?
What is an individual organism?
What is a nutrient whose supply limits productivity?
a limiting nutrient
What do you think would happen to the food web if there was a disturbance? example: an oil spill causes a major decrease in the number of decomposers, what would happen?.....
It would affect the whole web, some organisms will not have food and may die off and cause the whole web to start dying off because no one has enough food.
How do decomposers feed?
By chemically breaking down organic matter.
Ecology is the study of _____________.
how organisms in the biosphere interact with each other.
How would nutrient availability affect the primary productivity of an ecosystem?
It may limit the primary productivity
What does the pyramid of energy show us?
how much energy is being transferred between trophic levels and what the remaining energy is being given off as.