Species Interactions
An organism that produces its own food
What is an autotroph?
How much energy is moved forward from one trophic level to the next?
Organisms that covert atmospheric nitrogen into a usable form.
What is bacteria?
pH below 7
What is an acid?
These factors are living organisms within an ecosystem
What is Biotic?
An organism that consumes other living things for energy and nutrients
What is a heterotroph?
If there are 1500 kcal available in the autotroph level, how much energy is available to the primary consumer?
What is 150 kcal?
The process by which carbon dioxide is converted to glucose
What is photosynthesis?
pH above 7
What is a base?
Two body systems provide humans with the raw materials necessary for their cells to release energy?
What is the digestive and respiratory system
The name for an organism that hunts and kills another for food
What is predator?
In our oceanic food web, what plant was affected when sea otters were removed?
What is kelp?
The primary human cause of excess carbon dioxide in the atmosphere
What is fossil fuels/pollution?
The effect of pH on sea urchins (or other calcium-shelled organisms)
What is shell damage/shell loss?
What organelle does cellular respiration occur in?
Mitochondria
The organism that consumes secondary consumers
What is a tertiary consumer?
Where the greatest number of organisms /biomass should be in a food pyramid
The effect of excess carbon dioxide in ocean water
What is acidification?
C6H12O6
What is glucose?
The movement of solute across a membrane, from an area of high concertation to low concertation
What is diffusion?
A species on which other species in an ecosystem largely depend.
What is a keystone species?
Where the fewest number of organisms are in a trophic pyramid
What is the top level?
What elements are present in protiens
What is CHON?
maintaining balanced internal conditions
What is homeostasis?
This primary macromolecule ingested by Elks and contains which 3 elements
What are carbohydrates / CHO