Species Interactions
Food Chains
Osmosis/Diffusion
Chemistry
Grab Bag
100
An organism that produces its own food
What is an autotroph?
100
How much energy is moved forward from one trophic level to the next?
What is 10%?
100
Diffusion moves from?
What is an area of high concentration to low?
100
pH below 7
What is an acid?
100
pH of purified water
What is 7.0?
200
An organism that consumes other living things for energy and nutrients
What is a heterotroph?
200
If there are 1500 kcal available in the autotroph level, how much energy is available to the primary consumer?
What is 150 kcal?
200
Diffusion of water through a cell membrane is called?
What is osmosis?
200
pH above 7
What is a base?
200
The part of sea urchins that is destroyed by ocean acidification
What is the shell?
300
When one organism hunts and kills another for food
What is predation?
300
In our oceanic food web, what plant was affected when sea otters were removed?
What is kelp?
300
This image shows molecules that are in and out of a cell. How will the molecules move?
What is into the cell?
300
The effect of pH on sea urchins (or other calcium-shelled organisms)
What is shell damage/shell loss?
300
The numerical value (pH) of something that is acidic
What is less than 7?
400
The organism that consumes secondary consumers
What is a tertiary consumer?
400
Where the greatest number of organisms /biomass should be in a food pyramid
What is the base, or producer, level?
400
Movement across the cell membrane that does not require energy?
What is passive transport?
400
The effect of excess carbon dioxide in ocean water
What is ocean acidification?
400
A nonliving thing in an ecosystem
What is an abiotic factor?
500
A species on which other species in an ecosystem largely depend.
What is a keystone species?
500
Where the fewest number of organisms are in a trophic pyramid
What is the top level?
500
Does passive transport use ATP to move molecules against their concentration gradient?
What is no?
500
maintaining balanced internal conditions
What is homeostasis?
500
This organism will eat both plants and animals
What is an omnivore (or possibly a second order consumer)?