All of the following are producers in the ocean EXCEPT

• Oak Tree

• Algae

• phytoplankton

• diatoms

If pollution kills the algae in the ocean, the rest of the animals...

• will die - there is not food at the base of the food chain

• will be unaffected

• will increase, since algae makes them sick

• all of these choices

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Most marine producers need to float or be in clear shallow water because...

• they need sunlight to make food

• they only live in tropical water

• there are fewer predators in shallow water

• there are less people near the shore

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

One technique used to catch large amounts of large predatory fish, using lots of bait is called

• long lining

• pleasure cruising

• no bait technique

• all of these

Tags

NGSS.MS-LS2-5

How is the pay for commercial fishermen determined?

• fish are weighed and the money is divided amongst the crew

• they get paid the same no matter what

• less fish = more money

• they have a set salary

One species the jellyfish feeds on is

• barnacle larvae

• bacteria

• adult herring

• copepods

Tags

NGSS.MS-LS2-1

If the adult herring were overfished

• the sand eels would overpopulate

• the food web would be more stable

• there would be less water fleas

• nothing would happen

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4