Marine Science

What is the Primary Producer ?

• Shark

• Phytoplankton

• Small fish

• tuna

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Why can't phytoplankton survive hydrothermal vent?

• phytoplankton and other organismins harness sunlight , to create photosynthesis , near hydrothermal vent there is no sunlight

• Because of the heat from the hydrothermal vents , the phytoplankton wouldn't be able to survive

• It very hard to organisms to in the deep sea because of its extreme and harsh conditions

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the keystone species?

• a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.

• A new species of fish.

• Keys and stones have nothing to do with ecology

• A species that lives in or around rocks

Tags

NGSS.MS-LS2-4

Select the two ways in which energy enters marine systems.

• Decomposition

• Photosynthesis

• Chemosynthesis

• Colour

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Coralline algae are hard because their thallus is composed of

• calcium carbonate

• carbonic acid

• cellulose

• keratin

The main types of seaweed

• green seaweed

• brown seaweed

• red seaweed

• yellow seaweed

The root-like structures of seaweed

• thallus

• blades

• holdfast

• stipes

The body of seaweed

• thallus

• blades

• holdfast

• stipes

The stem-like structures of seaweed

• thallus

• blades

• holdfast

• stipes

Salt tolerant plants like marsh grass and mangroves are known as

• halophytes

• halogens

• salt-loving

• coralline

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS4-4