Trophic Levels
Ocean Processes
Toxins in the Food Web
Biomagnification
100

The position an organism fills in its food web is

 What is a trophic level?

100

Producers living in the photic zone capture sunlight to create food in a process called

What is photosynthesis?

100

One way toxins enter the ocean is through

What is boats, pollution, mercury, agriculture, and more?

100

An example of biomagnification is

What is mercury build up, ciguatera fish poisoning, or PCBs?

200

Trophic level one contains

What is primary producers?

200

Oxygen (O2) is released in a process called

What is photosynthesis?


200

Toxins that are what are harder to excrete

What is fat soluble?

200

Microplastics can absorb toxins from

What is the water?

300

Primary producers are

What are plants and algae who make their own food?

300

Carbon Dioxide (CO2) is absorbed in a process called

What is photosynthesis?


300

Water soluble toxins can be excreted through

What is urine?

300
Larger pieces break down into

What is microplastics?

400

Trophic levels rarely reach levels higher than 5 due to

What is energy loss?

400

The energy stored in bonds of atoms and molecules is called

What is chemical energy?

400

The buildup within an individual over time, as they accumulate a substance faster than they can excrete it is called

What is bioaccumulation?

400

What enters the atmosphere through volcanic eruptions and burning fossil fuels (mainly coal)

What is mercury?

500

Typically, about what percent of energy is transferred from one trophic level to the next

What is 10 percent?

500

Sugars are passed up the food chain to consumers and broken down in a process called

What is respiration?

500

An increase in concentration of toxic substances with each step of the food web is called

What is biomagnification?

500

Biomagnification is the increasing concentration of toxic in 

What is the tissues of organisms at higher trophic levels?