Why is the nitrogen cycle important?
It transforms unusable nitrogen gas (N2) into useable nitrate (NO3-).
What is an invasive species?
2. An organism that is new to an environment and has a negative effect on that environment.
What does not produce carbon dioxide?
1. Photosynthesis
C6H12O6 is also known as glucose (sugar). Where is it found?
3. Both plants and animals
TRUE OR FALSE: All of the carbon in existence is continually recycled in the carbon cycle.
True
Which organism(s) is (are) the predator(s) of the shrew?
Snake
According to this food web, how many consumers are herbivores?
5
The owl receives energy from which organisms?
Mouse and Rabbit
Which animal is in more than one trophic level?
Titmouse
An energy pyramid represents what?
4. The amount of energy available to the next 'feeder' in a food web.
Producers, consumers, decomposers. What are humans considered?
Consumers
Which section of the pyramid has the least amount of energy and would have the highest concentration of toxins?
4
Which section of the pyramid has the most energy?
1
The original source of energy for a food web is...
The sun
