Marine food webs

• are damaged by people's activities

• do not depend on algae and photplankton

• do not influence humanity

• all of these

One way to help save endangered fish species is

• give out more fishing licences

• increase overfishing

• set up a marine sanctuary

• kill sea turtles

An example of a marine organism that can make its own food is

• sharks

• sea lions

• seahorses

• phytoplankton

A fish that has been over harvested from the ocean is

• jellyfish

• sea lice

• bluefin tuna

• the mosquito

Which of the following are commercially valuable species?

• tuna

• salmon

• flounder

• all of these

Money the government gives fishermen to help keep them in business is called a

• tax

• fine

• jail

• subsidy

A fish that is anadromous like salmon can

• swim in freshwater and saltwater

• only live in lakes and ponds

• be invincible

• are nocturnal

A rocky shoreline would be home to all of these except

• flounder

• mussels

• sea anemone

• barnacle

A mechanism invented to help sea turtles escape trawling nets a

• Turtle Exclusion Device

• Turtle Cramping Device

• Turtle Soup Caldron

• All of these

A marine organism that is accidentally caught and killed by fishermen is called

• bycatch

• tuna

• salmon

• fishing