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)?