Ecosystems 1
An organism that eats only meat.
What is a carnivore
An organism that uses sunlight or chemicals to create its food
What is a producer
The order of "what eats what" for a specific set of organisms. It is linear.
What is a food chain?
The organisms at the bottom of the food pyramid are called this...
What are producers?
an organism that looks for animals that are already dead
What is a scavenger?
An organism that feeds on dead and decaying organisms
What are decomposers?
the flow of energy from a producer to one or more consumers. (ie: linked together by their feeding relationships)
What is a food web?
What is an example of human interaction in the phosphorous cycle
Mining, turning into fertilizer and applied to crops, then washed into runoff
Plants use this process to turn inorganic chemicals into chemical energy
What is chemosynthesis?
The lowest trophic level, or the bottom of the food chain/pyramid.
What is a producer?
The process that converts nitrogen in the atmosphere into ammonia
nitrogen fixation
Name a human interaction in the nitrogen cycle
Making fertilizer for plants
What is 10%?
Another word for consumer
What is heterotroph?
Is energy conserved in an ecosystem?
no
When plants release water into the atmosphere
What is transpiration?
Food chains that is interconnected/overlaps in a particular ecosystem
What is a food web?
These two elements are important because it makes up much of our DNA
Phosphorous and Nitrogen
The source of energy that is absorbed by plants for photosynthesis.
What is sunlight?
What are the percentages of energy available at the first 4 trophic levels?
100%, 10%, 1%, 0.1%
Name 2 examples of transformations in the carbon cycle
multiple answers
bacteria, fungi are examples of what?
What are some examples of decomposers?
Example of a producer in a marine ecosystem
What is algae?
phytoplankton -> minnow -> tuna -> shark
is an example of what?
What is an aquatic food chain?