Intertidal Zone Ch. 13 Review

What is the main limiting factor for organisms living in the intertidal zone?

• sunlight

• space

• food

• oxygen

Tags

NGSS.MS-LS2-1

Which of the following is an adaptation used by some gastropods to close off their shell like a door?

• pneumatocysts

• byssal threads

• operculum

• bioturbators

Which of the following is NOT a reason for barnacles to colonize specific areas of the intertidal zone?

• avoid dispersal

• avoid desiccation

• avoid predators

• avoid competition

Gastropods such as periwinkles and limpets belong to which phylum?

• Echinodermata

• Arthropoda

• Cnidaria

• Mollusca

Bivalves such as _______________________ are also classified as mollusks.

• sea stars

• mussels

• barnacles

• anemones

______________________ are adapted to cope with wave shock by being very flexible.

• sea palms

• mussels

• barnacles

• lichens

_______________________ are dominant among sessile organisms in the middle intertidal zone and will often win the battle for space.

• little gray barnacles

• rock barnacles

• mussels

• periwinkles

These intertidal predators are known to prey on mussels.

• sea stars

• barnacles

• periwinkles

• sea palms

Tags

NGSS.MS-LS2-2

These organisms are best fit to live in a soft-bottom intertidal zone:

• mussels

• barnacles

• limpets

• clams

Tags

NGSS.MS-LS4-4

Which of the following kinds of animals are so small they live in the interstitial spaces between the grains of sand?

• epifauna

• meiofauna

• infauna

• bioturbators